mirror of https://gitlab.com/QEF/q-e.git
538 lines
29 KiB
HTML
538 lines
29 KiB
HTML
<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
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<!-- *** FILE AUTOMATICALLY CREATED: DO NOT EDIT, CHANGES WILL BE LOST *** --><meta http-equiv="Content-Style-Type" CONTENT="text/css">
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<style>
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body {
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background-color:#ffffff;
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font:normal 14px/1.8em arial, helvetica, sans-serif;
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width:900px;
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text-align:justify;
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margin: 30 10 10 30;
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}
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h1 {
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font-size:24px;
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}
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h2 {
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font-size:18px;
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}
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h3 {
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font-size:16px;
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}
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pre, tt, code {
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font-size:14px;
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}
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.syntax, .syntax table {
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font-size:14px;
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}
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span.namelist {
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color: #214478;
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}
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span.card {
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color: #782167;
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}
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span.flag {
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color: #008000;
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font-weight: bold;
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}
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</style>
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<title>turbo_lanczos.x: input description</title>
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</head>
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<body>
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<a name="__top__"></a><table style="border-width: 0; table-layout: auto; width: 100%; text-align: left; vertical-align: top; background: #00395a;">
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<tr><th style="margin: 3 3 3 10; background: #005789; background: linear-gradient(rgba(0,87,137,1),rgba(0,119,189,1)); color: #ffffee; ">
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<h1 style="margin: 10 10 10 15; text-align: left;"> Input File Description </h1>
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<h2 style="margin: 10 10 10 15; text-align: left;"> Program:
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turbo_lanczos.x / turboTDDFPT / Quantum ESPRESSO<span style="font-weight: normal;"> (version: 7.4)</span>
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</h2>
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</th></tr>
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<tr><td style="padding: 10 3 3 3; background: #ffffff; color: #222222; ">
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<blockquote style="margin-bottom: 2em;">
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<h3>TABLE OF CONTENTS</h3>
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<blockquote>
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<p><a href="#idm3">INTRODUCTION</a></p>
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<p><a href="#idm5">&LR_INPUT</a></p>
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<blockquote>
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<a href="#idm7">prefix</a> | <a href="#idm10">outdir</a> | <a href="#idm13">wfcdir</a> | <a href="#idm16">restart</a> | <a href="#idm20">restart_step</a> | <a href="#idm23">lr_verbosity</a> | <a href="#idm26">disk_io</a>
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</blockquote>
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<p><a href="#idm29">&LR_CONTROL</a></p>
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<blockquote>
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<a href="#idm30">itermax</a> | <a href="#idm33">ipol</a> | <a href="#idm36">n_ipol</a> | <a href="#idm39">ltammd</a> | <a href="#idm42">no_hxc</a> | <a href="#idm45">lrpa</a> | <a href="#idm48">scissor</a> | <a href="#idm51">charge_response</a> | <a href="#idm54">pseudo_hermitian</a> | <a href="#idm57">d0psi_rs</a> | <a href="#idm60">lshift_d0psi</a>
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</blockquote>
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<p><a href="#idm64">&LR_POST</a></p>
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<blockquote>
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<a href="#idm65">omeg</a> | <a href="#idm68">epsil</a> | <a href="#idm71">beta_gamma_z_prefix</a> | <a href="#idm74">w_T_npol</a> | <a href="#idm77">plot_type</a>
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</blockquote>
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</blockquote>
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</blockquote>
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<blockquote>
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<a name="idm3"></a><h3>INTRODUCTION</h3>
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<blockquote><pre>
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Input data format: { } = optional, [ ] = it depends.
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All quantities whose dimensions are not explicitly specified are in
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RYDBERG ATOMIC UNITS
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BEWARE: TABS, DOS <CR><LF> CHARACTERS ARE POTENTIAL SOURCES OF TROUBLE
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Comment lines in namelists can be introduced by a "!", exactly as in
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fortran code. Comments lines in ``cards'' can be introduced by
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either a "!" or a "#" character in the first position of a line.
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<b>Structure of the input data:</b>
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===============================================================================
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&LR_INPUT
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...
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/
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&LR_CONTROL
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...
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/
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[ &LR_POST
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...
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/ ]
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</pre></blockquote>
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</blockquote>
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<a name="idm5"></a><a name="LR_INPUT"></a><table border="0" width="100%" style="margin-bottom: 20;">
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<tr><th bgcolor="#ddcba6"><h2 style="margin: 10 10 10 15; text-align: left;"> Namelist: <span class="namelist"><span style="font-weight:normal">&</span>LR_INPUT</span>
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</h2></th></tr>
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<tr><td style="text-align: left; background: #ffebc6; padding: 5 5 5 30; "><table style="border-color: #505087; border-style: solid; border-width: 0; margin-bottom: 10; table-layout: auto; width: 800;"><tbody><tr><td>
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<p><b> This namelist is always needed !
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</b></p>
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<a name="idm7"></a><a name="prefix"></a><table width="100%" style="border-color: #b5b500; border-style: solid; border-width: 2; margin-bottom: 10; table-layout: auto; background-color: #FFFFFF;">
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<tr>
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<th align="left" valign="top" width="20%" style="background: #ffff99; padding: 2 2 2 10; ">prefix</th>
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<td style="text-align: left; vertical-align: top; background: #ffffc3; padding: 2 2 2 5; ">CHARACTER</td>
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</tr>
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<tr>
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<td style="text-align: right; vertical-align: top; background: #ffffc3; padding: 2 10 2 10; "><i>Default:</i></td>
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<td style="text-align: left; vertical-align: top; background: #fff3d9; padding: 2 2 2 5; "> 'pwscf'
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</td>
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</tr>
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<tr><td align="left" valign="top" colspan="2"><blockquote><pre style="margin-bottom: -1em;">
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Sets the prefix for generated and read files. The files
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generated by the ground state pw.x run should have this
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same prefix.
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</pre></blockquote></td></tr>
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</table>
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<div align="right" style="margin-bottom: 5;">[<a href="#__top__">Back to Top</a>]</div>
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<a name="idm10"></a><a name="outdir"></a><table width="100%" style="border-color: #b5b500; border-style: solid; border-width: 2; margin-bottom: 10; table-layout: auto; background-color: #FFFFFF;">
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<tr>
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<th align="left" valign="top" width="20%" style="background: #ffff99; padding: 2 2 2 10; ">outdir</th>
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<td style="text-align: left; vertical-align: top; background: #ffffc3; padding: 2 2 2 5; ">CHARACTER</td>
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</tr>
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<tr>
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<td style="text-align: right; vertical-align: top; background: #ffffc3; padding: 2 10 2 10; "><i>Default:</i></td>
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<td style="text-align: left; vertical-align: top; background: #fff3d9; padding: 2 2 2 5; "> './'
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</td>
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</tr>
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<tr><td align="left" valign="top" colspan="2"><blockquote><pre style="margin-bottom: -1em;">
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The directory that contains the run critical files, which
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include the files generated by ground state pw.x run.
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</pre></blockquote></td></tr>
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</table>
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<div align="right" style="margin-bottom: 5;">[<a href="#__top__">Back to Top</a>]</div>
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<a name="idm13"></a><a name="wfcdir"></a><table width="100%" style="border-color: #b5b500; border-style: solid; border-width: 2; margin-bottom: 10; table-layout: auto; background-color: #FFFFFF;">
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<tr>
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<th align="left" valign="top" width="20%" style="background: #ffff99; padding: 2 2 2 10; ">wfcdir</th>
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<td style="text-align: left; vertical-align: top; background: #ffffc3; padding: 2 2 2 5; ">CHARACTER</td>
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</tr>
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<tr>
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<td style="text-align: right; vertical-align: top; background: #ffffc3; padding: 2 10 2 10; "><i>Default:</i></td>
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<td style="text-align: left; vertical-align: top; background: #fff3d9; padding: 2 2 2 5; "> './'
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</td>
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</tr>
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<tr><td align="left" valign="top" colspan="2"><blockquote><pre style="margin-bottom: -1em;">
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The directory that contains the run critical files, which
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include the files generated by ground state pw.x run.
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</pre></blockquote></td></tr>
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</table>
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<div align="right" style="margin-bottom: 5;">[<a href="#__top__">Back to Top</a>]</div>
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<a name="idm16"></a><a name="restart"></a><table width="100%" style="border-color: #b5b500; border-style: solid; border-width: 2; margin-bottom: 10; table-layout: auto; background-color: #FFFFFF;">
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<tr>
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<th align="left" valign="top" width="20%" style="background: #ffff99; padding: 2 2 2 10; ">restart</th>
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<td style="text-align: left; vertical-align: top; background: #ffffc3; padding: 2 2 2 5; ">LOGICAL</td>
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</tr>
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<tr>
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<td style="text-align: right; vertical-align: top; background: #ffffc3; padding: 2 10 2 10; "><i>Default:</i></td>
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<td style="text-align: left; vertical-align: top; background: #fff3d9; padding: 2 2 2 5; "> .false.
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</td>
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</tr>
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<tr><td align="left" valign="top" colspan="2"><blockquote><pre style="margin-bottom: -1em;">
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When set to .true., turbo_lanczos.x will attempt to restart
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from a previous interrupted calculation. (see <a href="#restart_step">restart_step</a>
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variable).
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Beware, if set to .false. turbo_lanczos.x will OVERWRITE any
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previous runs.
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</pre></blockquote></td></tr>
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</table>
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<div align="right" style="margin-bottom: 5;">[<a href="#__top__">Back to Top</a>]</div>
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<a name="idm20"></a><a name="restart_step"></a><table width="100%" style="border-color: #b5b500; border-style: solid; border-width: 2; margin-bottom: 10; table-layout: auto; background-color: #FFFFFF;">
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<tr>
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<th align="left" valign="top" width="20%" style="background: #ffff99; padding: 2 2 2 10; ">restart_step</th>
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<td style="text-align: left; vertical-align: top; background: #ffffc3; padding: 2 2 2 5; ">INTEGER</td>
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</tr>
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<tr>
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<td style="text-align: right; vertical-align: top; background: #ffffc3; padding: 2 10 2 10; "><i>Default:</i></td>
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<td style="text-align: left; vertical-align: top; background: #fff3d9; padding: 2 2 2 5; "> itermax
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</td>
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</tr>
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<tr><td align="left" valign="top" colspan="2"><blockquote><pre style="margin-bottom: -1em;">
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The code writes restart files every restart_step iterations.
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Restart files are automatically written at the end of
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itermax Lanczos steps.
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</pre></blockquote></td></tr>
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</table>
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<div align="right" style="margin-bottom: 5;">[<a href="#__top__">Back to Top</a>]</div>
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<a name="idm23"></a><a name="lr_verbosity"></a><table width="100%" style="border-color: #b5b500; border-style: solid; border-width: 2; margin-bottom: 10; table-layout: auto; background-color: #FFFFFF;">
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<tr>
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<th align="left" valign="top" width="20%" style="background: #ffff99; padding: 2 2 2 10; ">lr_verbosity</th>
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<td style="text-align: left; vertical-align: top; background: #ffffc3; padding: 2 2 2 5; ">INTEGER</td>
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</tr>
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<tr>
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<td style="text-align: right; vertical-align: top; background: #ffffc3; padding: 2 10 2 10; "><i>Default:</i></td>
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<td style="text-align: left; vertical-align: top; background: #fff3d9; padding: 2 2 2 5; "> 1
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</td>
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</tr>
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<tr><td align="left" valign="top" colspan="2"><blockquote><pre style="margin-bottom: -1em;">
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This integer variable controls the amount of information
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written to standard output.
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</pre></blockquote></td></tr>
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</table>
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<div align="right" style="margin-bottom: 5;">[<a href="#__top__">Back to Top</a>]</div>
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<a name="idm26"></a><a name="disk_io"></a><table width="100%" style="border-color: #b5b500; border-style: solid; border-width: 2; margin-bottom: 10; table-layout: auto; background-color: #FFFFFF;">
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<tr>
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<th align="left" valign="top" width="20%" style="background: #ffff99; padding: 2 2 2 10; ">disk_io</th>
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<td style="text-align: left; vertical-align: top; background: #ffffc3; padding: 2 2 2 5; ">CHARACTER</td>
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</tr>
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<tr>
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<td style="text-align: right; vertical-align: top; background: #ffffc3; padding: 2 10 2 10; "><i>Default:</i></td>
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<td style="text-align: left; vertical-align: top; background: #fff3d9; padding: 2 2 2 5; "> 'default'
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</td>
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</tr>
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<tr><td align="left" valign="top" colspan="2"><blockquote><pre style="margin-bottom: -1em;">
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Fine control of disk usage. Currently only 'reduced' is
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supported where no restart files are written, apart from
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the 'default' mode.
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</pre></blockquote></td></tr>
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</table>
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<div align="right" style="margin-bottom: 5;">[<a href="#__top__">Back to Top</a>]</div>
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</td></tr></tbody></table></td></tr>
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</table>
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<a name="idm29"></a><a name="LR_CONTROL"></a><table border="0" width="100%" style="margin-bottom: 20;">
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<tr><th bgcolor="#ddcba6"><h2 style="margin: 10 10 10 15; text-align: left;"> Namelist: <span class="namelist"><span style="font-weight:normal">&</span>LR_CONTROL</span>
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</h2></th></tr>
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<tr><td style="text-align: left; background: #ffebc6; padding: 5 5 5 30; "><table style="border-color: #505087; border-style: solid; border-width: 0; margin-bottom: 10; table-layout: auto; width: 800;"><tbody><tr><td>
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<a name="idm30"></a><a name="itermax"></a><table width="100%" style="border-color: #b5b500; border-style: solid; border-width: 2; margin-bottom: 10; table-layout: auto; background-color: #FFFFFF;">
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<tr>
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<th align="left" valign="top" width="20%" style="background: #ffff99; padding: 2 2 2 10; ">itermax</th>
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<td style="text-align: left; vertical-align: top; background: #ffffc3; padding: 2 2 2 5; ">INTEGER</td>
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</tr>
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<tr>
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<td style="text-align: right; vertical-align: top; background: #ffffc3; padding: 2 10 2 10; "><i>Default:</i></td>
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<td style="text-align: left; vertical-align: top; background: #fff3d9; padding: 2 2 2 5; "> 500
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</td>
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</tr>
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<tr><td align="left" valign="top" colspan="2"><blockquote><pre style="margin-bottom: -1em;">
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Number of Lanczos iterations to be performed.
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</pre></blockquote></td></tr>
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</table>
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<div align="right" style="margin-bottom: 5;">[<a href="#__top__">Back to Top</a>]</div>
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<a name="idm33"></a><a name="ipol"></a><table width="100%" style="border-color: #b5b500; border-style: solid; border-width: 2; margin-bottom: 10; table-layout: auto; background-color: #FFFFFF;">
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<tr>
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<th align="left" valign="top" width="20%" style="background: #ffff99; padding: 2 2 2 10; ">ipol</th>
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<td style="text-align: left; vertical-align: top; background: #ffffc3; padding: 2 2 2 5; ">INTEGER</td>
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</tr>
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<tr>
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<td style="text-align: right; vertical-align: top; background: #ffffc3; padding: 2 10 2 10; "><i>Default:</i></td>
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<td style="text-align: left; vertical-align: top; background: #fff3d9; padding: 2 2 2 5; "> 1
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</td>
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</tr>
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<tr><td align="left" valign="top" colspan="2"><blockquote><pre style="margin-bottom: -1em;">
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An integer variable that determines which element of the
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dynamical polarizability will be computed:
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1 -> alpha_xx(omega), 2 -> alpha_yy(omega), and
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3 -> alpha_zz(omega). When set to 4, three Lanczos chains
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are sequentially performed and the full polarizability
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tensor and the absorption coefficient are computed.
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</pre></blockquote></td></tr>
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</table>
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<div align="right" style="margin-bottom: 5;">[<a href="#__top__">Back to Top</a>]</div>
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<a name="idm36"></a><a name="n_ipol"></a><table width="100%" style="border-color: #b5b500; border-style: solid; border-width: 2; margin-bottom: 10; table-layout: auto; background-color: #FFFFFF;">
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<tr>
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<th align="left" valign="top" width="20%" style="background: #ffff99; padding: 2 2 2 10; ">n_ipol</th>
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<td style="text-align: left; vertical-align: top; background: #ffffc3; padding: 2 2 2 5; ">INTEGER</td>
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</tr>
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<tr>
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<td style="text-align: right; vertical-align: top; background: #ffffc3; padding: 2 10 2 10; "><i>Default:</i></td>
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<td style="text-align: left; vertical-align: top; background: #fff3d9; padding: 2 2 2 5; ">
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1 if ipol < 4;
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3 if ipol=4
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</td>
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</tr>
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<tr><td align="left" valign="top" colspan="2"><blockquote><pre style="margin-bottom: -1em;">
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Determines the number of zeta coefficients to be calculated
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for a given polarization direction.
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</pre></blockquote></td></tr>
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</table>
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<div align="right" style="margin-bottom: 5;">[<a href="#__top__">Back to Top</a>]</div>
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<a name="idm39"></a><a name="ltammd"></a><table width="100%" style="border-color: #b5b500; border-style: solid; border-width: 2; margin-bottom: 10; table-layout: auto; background-color: #FFFFFF;">
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<tr>
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<th align="left" valign="top" width="20%" style="background: #ffff99; padding: 2 2 2 10; ">ltammd</th>
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<td style="text-align: left; vertical-align: top; background: #ffffc3; padding: 2 2 2 5; ">LOGICAL</td>
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</tr>
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<tr>
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<td style="text-align: right; vertical-align: top; background: #ffffc3; padding: 2 10 2 10; "><i>Default:</i></td>
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<td style="text-align: left; vertical-align: top; background: #fff3d9; padding: 2 2 2 5; "> .false.
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</td>
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</tr>
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<tr><td align="left" valign="top" colspan="2"><blockquote><pre style="margin-bottom: -1em;">
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When set to .true. the Tamm-Dancoff approximation is used
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in constructing the Liouvillian.
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</pre></blockquote></td></tr>
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</table>
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<div align="right" style="margin-bottom: 5;">[<a href="#__top__">Back to Top</a>]</div>
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<a name="idm42"></a><a name="no_hxc"></a><table width="100%" style="border-color: #b5b500; border-style: solid; border-width: 2; margin-bottom: 10; table-layout: auto; background-color: #FFFFFF;">
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<tr>
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<th align="left" valign="top" width="20%" style="background: #ffff99; padding: 2 2 2 10; ">no_hxc</th>
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<td style="text-align: left; vertical-align: top; background: #ffffc3; padding: 2 2 2 5; ">LOGICAL</td>
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</tr>
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<tr>
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<td style="text-align: right; vertical-align: top; background: #ffffc3; padding: 2 10 2 10; "><i>Default:</i></td>
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<td style="text-align: left; vertical-align: top; background: #fff3d9; padding: 2 2 2 5; "> .false.
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</td>
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</tr>
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<tr><td align="left" valign="top" colspan="2"><blockquote><pre style="margin-bottom: -1em;">
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When set to .true. the change in the internal field
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(Hartree and exchange-correlation) is ignored in the
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calculation, resulting in the independent electron
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approximation.
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</pre></blockquote></td></tr>
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</table>
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<div align="right" style="margin-bottom: 5;">[<a href="#__top__">Back to Top</a>]</div>
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<a name="idm45"></a><a name="lrpa"></a><table width="100%" style="border-color: #b5b500; border-style: solid; border-width: 2; margin-bottom: 10; table-layout: auto; background-color: #FFFFFF;">
|
|
<tr>
|
|
<th align="left" valign="top" width="20%" style="background: #ffff99; padding: 2 2 2 10; ">lrpa</th>
|
|
<td style="text-align: left; vertical-align: top; background: #ffffc3; padding: 2 2 2 5; ">LOGICAL</td>
|
|
</tr>
|
|
<tr>
|
|
<td style="text-align: right; vertical-align: top; background: #ffffc3; padding: 2 10 2 10; "><i>Default:</i></td>
|
|
<td style="text-align: left; vertical-align: top; background: #fff3d9; padding: 2 2 2 5; "> .false.
|
|
</td>
|
|
</tr>
|
|
<tr><td align="left" valign="top" colspan="2"><blockquote><pre style="margin-bottom: -1em;">
|
|
When set to .true. the Random Phase Approximation
|
|
is used (no exchange and correlation).
|
|
</pre></blockquote></td></tr>
|
|
</table>
|
|
<div align="right" style="margin-bottom: 5;">[<a href="#__top__">Back to Top</a>]</div>
|
|
<a name="idm48"></a><a name="scissor"></a><table width="100%" style="border-color: #b5b500; border-style: solid; border-width: 2; margin-bottom: 10; table-layout: auto; background-color: #FFFFFF;">
|
|
<tr>
|
|
<th align="left" valign="top" width="20%" style="background: #ffff99; padding: 2 2 2 10; ">scissor</th>
|
|
<td style="text-align: left; vertical-align: top; background: #ffffc3; padding: 2 2 2 5; ">REAL</td>
|
|
</tr>
|
|
<tr>
|
|
<td style="text-align: right; vertical-align: top; background: #ffffc3; padding: 2 10 2 10; "><i>Default:</i></td>
|
|
<td style="text-align: left; vertical-align: top; background: #fff3d9; padding: 2 2 2 5; "> 0.0
|
|
</td>
|
|
</tr>
|
|
<tr><td align="left" valign="top" colspan="2"><blockquote><pre style="margin-bottom: -1em;">
|
|
Scissor shift (in Rydberg units).
|
|
</pre></blockquote></td></tr>
|
|
</table>
|
|
<div align="right" style="margin-bottom: 5;">[<a href="#__top__">Back to Top</a>]</div>
|
|
<a name="idm51"></a><a name="charge_response"></a><table width="100%" style="border-color: #b5b500; border-style: solid; border-width: 2; margin-bottom: 10; table-layout: auto; background-color: #FFFFFF;">
|
|
<tr>
|
|
<th align="left" valign="top" width="20%" style="background: #ffff99; padding: 2 2 2 10; ">charge_response</th>
|
|
<td style="text-align: left; vertical-align: top; background: #ffffc3; padding: 2 2 2 5; ">INTEGER</td>
|
|
</tr>
|
|
<tr>
|
|
<td style="text-align: right; vertical-align: top; background: #ffffc3; padding: 2 10 2 10; "><i>Default:</i></td>
|
|
<td style="text-align: left; vertical-align: top; background: #fff3d9; padding: 2 2 2 5; "> 0
|
|
</td>
|
|
</tr>
|
|
<tr><td align="left" valign="top" colspan="2"><blockquote><pre style="margin-bottom: -1em;">
|
|
When set to 1, the code computes the response of the charge
|
|
density and writes it into a file format determined by the
|
|
variable plot type. Setting charge response to 1 makes the
|
|
presence of the card lr post mandatory.
|
|
</pre></blockquote></td></tr>
|
|
</table>
|
|
<div align="right" style="margin-bottom: 5;">[<a href="#__top__">Back to Top</a>]</div>
|
|
<a name="idm54"></a><a name="pseudo_hermitian"></a><table width="100%" style="border-color: #b5b500; border-style: solid; border-width: 2; margin-bottom: 10; table-layout: auto; background-color: #FFFFFF;">
|
|
<tr>
|
|
<th align="left" valign="top" width="20%" style="background: #ffff99; padding: 2 2 2 10; ">pseudo_hermitian</th>
|
|
<td style="text-align: left; vertical-align: top; background: #ffffc3; padding: 2 2 2 5; ">LOGICAL</td>
|
|
</tr>
|
|
<tr>
|
|
<td style="text-align: right; vertical-align: top; background: #ffffc3; padding: 2 10 2 10; "><i>Default:</i></td>
|
|
<td style="text-align: left; vertical-align: top; background: #fff3d9; padding: 2 2 2 5; "> .true.
|
|
</td>
|
|
</tr>
|
|
<tr><td align="left" valign="top" colspan="2"><blockquote><pre style="margin-bottom: -1em;">
|
|
When set to .true. the pseudo-Hermitian Lanczos
|
|
algorithm is used. When set to .false. the
|
|
non-Hermitian Lanczos biorthogonalization algorithm
|
|
is used (which is two times slower).
|
|
</pre></blockquote></td></tr>
|
|
</table>
|
|
<div align="right" style="margin-bottom: 5;">[<a href="#__top__">Back to Top</a>]</div>
|
|
<a name="idm57"></a><a name="d0psi_rs"></a><table width="100%" style="border-color: #b5b500; border-style: solid; border-width: 2; margin-bottom: 10; table-layout: auto; background-color: #FFFFFF;">
|
|
<tr>
|
|
<th align="left" valign="top" width="20%" style="background: #ffff99; padding: 2 2 2 10; ">d0psi_rs</th>
|
|
<td style="text-align: left; vertical-align: top; background: #ffffc3; padding: 2 2 2 5; ">LOGICAL</td>
|
|
</tr>
|
|
<tr>
|
|
<td style="text-align: right; vertical-align: top; background: #ffffc3; padding: 2 10 2 10; "><i>Default:</i></td>
|
|
<td style="text-align: left; vertical-align: top; background: #fff3d9; padding: 2 2 2 5; "> .false.
|
|
</td>
|
|
</tr>
|
|
<tr><td align="left" valign="top" colspan="2"><blockquote><pre style="margin-bottom: -1em;">
|
|
When set to .true. the dipole is computed in the
|
|
real space. When set to .false. the dipole is
|
|
computed in the reciprocal space by computing [H,r].
|
|
Note, currently the commutator does not contain
|
|
a contribution for hybrids [V_EXX,r]. See also
|
|
the variable lshift_d0psi.
|
|
Important: Treatment of the dipole in the real space
|
|
is allowed only if the system is finite.
|
|
</pre></blockquote></td></tr>
|
|
</table>
|
|
<div align="right" style="margin-bottom: 5;">[<a href="#__top__">Back to Top</a>]</div>
|
|
<a name="idm60"></a><a name="lshift_d0psi"></a><table width="100%" style="border-color: #b5b500; border-style: solid; border-width: 2; margin-bottom: 10; table-layout: auto; background-color: #FFFFFF;">
|
|
<tr>
|
|
<th align="left" valign="top" width="20%" style="background: #ffff99; padding: 2 2 2 10; ">lshift_d0psi</th>
|
|
<td style="text-align: left; vertical-align: top; background: #ffffc3; padding: 2 2 2 5; ">LOGICAL</td>
|
|
</tr>
|
|
<tr>
|
|
<td style="text-align: right; vertical-align: top; background: #ffffc3; padding: 2 10 2 10; "><i>Default:</i></td>
|
|
<td style="text-align: left; vertical-align: top; background: #fff3d9; padding: 2 2 2 5; "> .true.
|
|
</td>
|
|
</tr>
|
|
<tr><td align="left" valign="top" colspan="2"><blockquote><pre style="margin-bottom: -1em;">
|
|
This variable is used only when <a href="#d0psi_rs">d0psi_rs</a> = .true.
|
|
a) If a molecule is placed in the corner of the
|
|
supercell, there is a discontinuity problem for the
|
|
position operator r, which is not periodic. By setting
|
|
lshift_d0psi=.true. the discontinuity problem is
|
|
solved by shifting the position operator r such that
|
|
it is continuous and well defined.
|
|
b) If a molecule is placed in the center of the supercell,
|
|
there is no discontinuity problem for the position operator r,
|
|
and thus you can set lshift_d0psi=.false. But if you still
|
|
set it to .true., this will not harm, because the position
|
|
operator will basically remain as it is, since it is always
|
|
centered wrt the center of the molecule.
|
|
</pre></blockquote></td></tr>
|
|
</table>
|
|
<div align="right" style="margin-bottom: 5;">[<a href="#__top__">Back to Top</a>]</div>
|
|
</td></tr></tbody></table></td></tr>
|
|
</table>
|
|
<a name="idm64"></a><a name="LR_POST"></a><table border="0" width="100%" style="margin-bottom: 20;">
|
|
<tr><th bgcolor="#ddcba6"><h2 style="margin: 10 10 10 15; text-align: left;"> Namelist: <span class="namelist"><span style="font-weight:normal">&</span>LR_POST</span>
|
|
</h2></th></tr>
|
|
<tr><td style="text-align: left; background: #ffebc6; padding: 5 5 5 30; "><table style="border-color: #505087; border-style: solid; border-width: 0; margin-bottom: 10; table-layout: auto; width: 800;"><tbody><tr><td>
|
|
<a name="idm65"></a><a name="omeg"></a><table width="100%" style="border-color: #b5b500; border-style: solid; border-width: 2; margin-bottom: 10; table-layout: auto; background-color: #FFFFFF;">
|
|
<tr>
|
|
<th align="left" valign="top" width="20%" style="background: #ffff99; padding: 2 2 2 10; ">omeg</th>
|
|
<td style="text-align: left; vertical-align: top; background: #ffffc3; padding: 2 2 2 5; ">REAL</td>
|
|
</tr>
|
|
<tr>
|
|
<td style="text-align: right; vertical-align: top; background: #ffffc3; padding: 2 10 2 10; "><i>Default:</i></td>
|
|
<td style="text-align: left; vertical-align: top; background: #fff3d9; padding: 2 2 2 5; "> 0.0
|
|
</td>
|
|
</tr>
|
|
<tr><td align="left" valign="top" colspan="2"><blockquote><pre style="margin-bottom: -1em;">
|
|
The response of the charge density is calculated for this
|
|
transition energy (in Rydberg units)
|
|
</pre></blockquote></td></tr>
|
|
</table>
|
|
<div align="right" style="margin-bottom: 5;">[<a href="#__top__">Back to Top</a>]</div>
|
|
<a name="idm68"></a><a name="epsil"></a><table width="100%" style="border-color: #b5b500; border-style: solid; border-width: 2; margin-bottom: 10; table-layout: auto; background-color: #FFFFFF;">
|
|
<tr>
|
|
<th align="left" valign="top" width="20%" style="background: #ffff99; padding: 2 2 2 10; ">epsil</th>
|
|
<td style="text-align: left; vertical-align: top; background: #ffffc3; padding: 2 2 2 5; ">REAL</td>
|
|
</tr>
|
|
<tr>
|
|
<td style="text-align: right; vertical-align: top; background: #ffffc3; padding: 2 10 2 10; "><i>Default:</i></td>
|
|
<td style="text-align: left; vertical-align: top; background: #fff3d9; padding: 2 2 2 5; "> 0.02
|
|
</td>
|
|
</tr>
|
|
<tr><td align="left" valign="top" colspan="2"><blockquote><pre style="margin-bottom: -1em;">
|
|
The broadening/damping term (in Rydberg units).
|
|
</pre></blockquote></td></tr>
|
|
</table>
|
|
<div align="right" style="margin-bottom: 5;">[<a href="#__top__">Back to Top</a>]</div>
|
|
<a name="idm71"></a><a name="beta_gamma_z_prefix"></a><table width="100%" style="border-color: #b5b500; border-style: solid; border-width: 2; margin-bottom: 10; table-layout: auto; background-color: #FFFFFF;">
|
|
<tr>
|
|
<th align="left" valign="top" width="20%" style="background: #ffff99; padding: 2 2 2 10; ">beta_gamma_z_prefix</th>
|
|
<td style="text-align: left; vertical-align: top; background: #ffffc3; padding: 2 2 2 5; ">CHARACTER</td>
|
|
</tr>
|
|
<tr>
|
|
<td style="text-align: right; vertical-align: top; background: #ffffc3; padding: 2 10 2 10; "><i>Default:</i></td>
|
|
<td style="text-align: left; vertical-align: top; background: #fff3d9; padding: 2 2 2 5; "> 'pwscf'
|
|
</td>
|
|
</tr>
|
|
<tr><td align="left" valign="top" colspan="2"><blockquote><pre style="margin-bottom: -1em;">
|
|
The prefix of the file where the beta gamma zeta coefficients
|
|
from the first calculation can be set manually using this
|
|
parameter. The file outdir/beta gamma z prefix.beta gamma z.x
|
|
(where x=1-3) must exist.
|
|
</pre></blockquote></td></tr>
|
|
</table>
|
|
<div align="right" style="margin-bottom: 5;">[<a href="#__top__">Back to Top</a>]</div>
|
|
<a name="idm74"></a><a name="w_T_npol"></a><table width="100%" style="border-color: #b5b500; border-style: solid; border-width: 2; margin-bottom: 10; table-layout: auto; background-color: #FFFFFF;">
|
|
<tr>
|
|
<th align="left" valign="top" width="20%" style="background: #ffff99; padding: 2 2 2 10; ">w_T_npol</th>
|
|
<td style="text-align: left; vertical-align: top; background: #ffffc3; padding: 2 2 2 5; ">INTEGER</td>
|
|
</tr>
|
|
<tr>
|
|
<td style="text-align: right; vertical-align: top; background: #ffffc3; padding: 2 10 2 10; "><i>Default:</i></td>
|
|
<td style="text-align: left; vertical-align: top; background: #fff3d9; padding: 2 2 2 5; "> 1
|
|
</td>
|
|
</tr>
|
|
<tr><td align="left" valign="top" colspan="2"><blockquote><pre style="margin-bottom: -1em;">
|
|
Number of polarization directions considered in the previous
|
|
calculation. It must be set to 3 if in the previous calculation
|
|
ipol=4, it must be set to 1 otherwise.
|
|
</pre></blockquote></td></tr>
|
|
</table>
|
|
<div align="right" style="margin-bottom: 5;">[<a href="#__top__">Back to Top</a>]</div>
|
|
<a name="idm77"></a><a name="plot_type"></a><table width="100%" style="border-color: #b5b500; border-style: solid; border-width: 2; margin-bottom: 10; table-layout: auto; background-color: #FFFFFF;">
|
|
<tr>
|
|
<th align="left" valign="top" width="20%" style="background: #ffff99; padding: 2 2 2 10; ">plot_type</th>
|
|
<td style="text-align: left; vertical-align: top; background: #ffffc3; padding: 2 2 2 5; ">INTEGER</td>
|
|
</tr>
|
|
<tr>
|
|
<td style="text-align: right; vertical-align: top; background: #ffffc3; padding: 2 10 2 10; "><i>Default:</i></td>
|
|
<td style="text-align: left; vertical-align: top; background: #fff3d9; padding: 2 2 2 5; "> 1
|
|
</td>
|
|
</tr>
|
|
<tr><td align="left" valign="top" colspan="2"><blockquote><pre style="margin-bottom: -1em;">
|
|
An integer variable that determines the format of the file
|
|
containing the charge density response. 1: A file containing
|
|
the x y z grid coordinates and the corre- sponding value of
|
|
the density is produced 2: The density response is written
|
|
in Xcrysden format 3: The density response is written in
|
|
the gaussian cube format.
|
|
</pre></blockquote></td></tr>
|
|
</table>
|
|
<div align="right" style="margin-bottom: 5;">[<a href="#__top__">Back to Top</a>]</div>
|
|
</td></tr></tbody></table></td></tr>
|
|
</table>
|
|
</td></tr>
|
|
</table>
|
|
<small>
|
|
This file has been created by helpdoc utility on Wed Oct 16 19:24:05 CEST 2024.
|
|
</small>
|
|
</body>
|
|
</html>
|