qmcpack/examples/attic/solids/heg/heg.vmc.xml

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XML

<?xml version="1.0"?>
<simulation xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:noNamespaceSchemaLocation="http://www.mcc.uiuc.edu/qmc/schema/molecu.xsd">
<project id="eg" series="0">
<application name="qmcapp" role="molecu" class="serial" version="0.2">
Sample qmc runs for HEG. See Note 1 and 2 to modify the number of
particles.
</application>
<parameter name="driver_version">legacy</parameter>
</project>
<!-- set seed to -1 for random seems -->
<random seed="11"/>
<qmcsystem>
<simulationcell>
<parameter name="rs" condition="14">5</parameter>
<parameter name="bconds">p p p</parameter>
<parameter name="LR_dim_cutoff">6</parameter>
</simulationcell>
<particleset name="e" random="yes">
<group name="u" size="7">
<parameter name="charge">-1</parameter>
<parameter name="mass">1</parameter>
</group>
<group name="d" size="7">
<parameter name="charge">-1</parameter>
<parameter name="mass">1</parameter>
</group>
</particleset>
<wavefunction name="psi0" target="e">
<determinantset type="electron-gas" shell="1" randomize="true"/>
</wavefunction>
<hamiltonian name="h0" type="generic" target="e">
<pairpot name="ElecElec" type="coulomb" source="e" target="e"/>
</hamiltonian>
</qmcsystem>
<qmc method="vmc" move="walker">
<parameter name="blocks">100</parameter>
<parameter name="steps">1000</parameter>
<parameter name="walkers">1</parameter>
<parameter name="time_step">2.0</parameter>
</qmc>
</simulation>