quantum-espresso/GUI/PWgui/modules/bands/bands-help.tcl

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#
# Help-file automatically created by helpdoc utility
#
# !!! DO NOT EDIT: CHANGES WILL BE LOST !!!
#
# ------------------------------------------------------------------------
help prefix -helpfmt helpdoc -helptext {
<ul>
<li> <em>Variable: </em><big><b>prefix</b></big>
</li>
<br><li> <em>Type: </em>CHARACTER</li>
<br><li> <em>Default: </em> 'pwscf'
</li>
<br><li> <em>Description:</em>
</li>
<blockquote><pre>
prefix of files saved by program pw.x
</pre></blockquote>
</ul>
}
# ------------------------------------------------------------------------
help outdir -helpfmt helpdoc -helptext {
<ul>
<li> <em>Variable: </em><big><b>outdir</b></big>
</li>
<br><li> <em>Type: </em>CHARACTER</li>
<br><li> <em>Default: </em>
value of the ESPRESSO_TMPDIR environment variable if set;
current directory ('./') otherwise
</li>
<br><li> <em>Description:</em>
</li>
<blockquote><pre>
directory containing the input data, i.e. the same as in pw.x
</pre></blockquote>
</ul>
}
# ------------------------------------------------------------------------
help filband -helpfmt helpdoc -helptext {
<ul>
<li> <em>Variable: </em><big><b>filband</b></big>
</li>
<br><li> <em>Type: </em>CHARACTER</li>
<br><li> <em>Default: </em> 'bands.out'
</li>
<br><li> <em>Description:</em>
</li>
<blockquote><pre>
file name for band output (to be read by "plotband.x")
</pre></blockquote>
</ul>
}
# ------------------------------------------------------------------------
help spin_component -helpfmt helpdoc -helptext {
<ul>
<li> <em>Variable: </em><big><b>spin_component</b></big>
</li>
<br><li> <em>Type: </em>INTEGER</li>
<br><li> <em>Description:</em>
</li>
<blockquote><pre>
In the lsda case select:
1 = spin-up
2 = spin-down
</pre></blockquote>
</ul>
}
# ------------------------------------------------------------------------
help lsigma -helpfmt helpdoc -helptext {
<ul>
<li> <em>Variables: </em><big><b>lsigma(i), i=1,3</b></big>
</li>
<br><li> <em>Type: </em>LOGICAL</li>
<br><li> <em>Description:</em>
</li>
<blockquote><pre>
If true computes expectation values of the spin operator
on the spinor wave-functions (only in the noncollinear case),
writes them to a file "filband".i, i=1,2,3
</pre></blockquote>
</ul>
}
# ------------------------------------------------------------------------
help lp -helpfmt helpdoc -helptext {
<ul>
<li> <em>Variable: </em><big><b>lp</b></big>
</li>
<br><li> <em>Type: </em>LOGICAL</li>
<br><li> <em>Default: </em> .false.
</li>
<br><li> <em>Description:</em>
</li>
<blockquote><pre>
If .true. matrix elements of the momentum operator p between
conduction and valence bands are computed and written to file
specified in "filp"
</pre></blockquote>
</ul>
}
# ------------------------------------------------------------------------
help filp -helpfmt helpdoc -helptext {
<ul>
<li> <em>Variable: </em><big><b>filp</b></big>
</li>
<br><li> <em>Type: </em>CHARACTER</li>
<br><li> <em>Default: </em> 'p_avg.dat'
</li>
<br><li> <em>Description:</em>
</li>
<blockquote><pre>
If "lp" is set to .true., file name for matrix elements of p
</pre></blockquote>
</ul>
}
# ------------------------------------------------------------------------
help lsym -helpfmt helpdoc -helptext {
<ul>
<li> <em>Variable: </em><big><b>lsym</b></big>
</li>
<br><li> <em>Type: </em>LOGICAL</li>
<br><li> <em>Default: </em> .true.
</li>
<br><li> <em>Description:</em>
</li>
<blockquote><pre>
If .true. the bands are classified according to the
irreducible representations of the small group of k.
A file "filband".rap with the same format of "filband"
is written, for usage by "plotband.x"
</pre></blockquote>
</ul>
}
# ------------------------------------------------------------------------
help no_overlap -helpfmt helpdoc -helptext {
<ul>
<li> <em>Variable: </em><big><b>no_overlap</b></big>
</li>
<br><li> <em>Type: </em>LOGICAL</li>
<br><li> <em>Default: </em> .true.
</li>
<br><li> <em>Description:</em>
</li>
<blockquote><pre>
If .false., and if "lsym" is .false., writes the eigenvalues
in the order that maximises overlap with the neighbor k-points
</pre></blockquote>
</ul>
}
# ------------------------------------------------------------------------
help plot_2d -helpfmt helpdoc -helptext {
<ul>
<li> <em>Variable: </em><big><b>plot_2d</b></big>
</li>
<br><li> <em>Type: </em>LOGICAL</li>
<br><li> <em>Default: </em> .false.
</li>
<br><li> <em>Description:</em>
</li>
<blockquote><pre>
If .true. writes the eigenvalues in the output file
in a 2D format readable by gnuplot. Band ordering is not
changed. Each band is written in a different file called
filband.# with the format:
<i>
xk, yk, energy
xk, yk, energy
.. .. ..
</i>
energies are written in eV and xk in units 2\pi/a.
</pre></blockquote>
</ul>
}
# ------------------------------------------------------------------------
grouphelp {firstk lastk} -helpfmt helpdoc -helptext {
<ul>
<li> <em>Variables: </em><big><b>firstk, lastk</b></big>
</li>
<br><li> <em>Type: </em>INTEGER</li>
<br><li> <em>Description:</em>
</li>
<blockquote><pre>
if "lsym"=.true. makes the symmetry analysis only for k
points between firstk to lastk
</pre></blockquote>
</ul>
}