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<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<!-- *** FILE AUTOMATICALLY CREATED: DO NOT EDIT, CHANGES WILL BE LOST *** --><meta http-equiv="Content-Style-Type" CONTENT="text/css">
<style>
body {
background-color:#ffffff;
font:normal 14px/1.8em arial, helvetica, sans-serif;
width:900px;
text-align:justify;
margin: 30 10 10 30;
}
h1 {
font-size:24px;
}
h2 {
font-size:18px;
}
h3 {
font-size:16px;
}
pre, tt, code {
font-size:14px;
}
.syntax, .syntax table {
font-size:14px;
}
span.namelist {
color: #214478;
}
span.card {
color: #782167;
}
span.flag {
color: #008000;
font-weight: bold;
}
</style>
<title>turbo_eels.x: input description</title>
</head>
<body>
<a name="__top__"></a><table style="border-width: 0; table-layout: auto; width: 100%; text-align: left; vertical-align: top; background: #00395a;">
<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; ">
<h1 style="margin: 10 10 10 15; text-align: left;"> Input File Description </h1>
<h2 style="margin: 10 10 10 15; text-align: left;"> Program:
turbo_eels.x / turboEELS / Quantum Espresso<span style="font-weight: normal;"> (version: 6.6)</span>
</h2>
</th></tr>
<tr><td style="padding: 10 3 3 3; background: #ffffff; color: #222222; ">
<blockquote style="margin-bottom: 2em;">
<h3>TABLE OF CONTENTS</h3>
<blockquote>
<p><a href="#idm3">INTRODUCTION</a></p>
<p><a href="#idm4">&lr_input</a></p>
<blockquote>
<a href="#idm6">prefix</a> | <a href="#idm9">outdir</a> | <a href="#idm12">restart</a> | <a href="#idm16">restart_step</a> | <a href="#idm19">lr_verbosity</a> | <a href="#idm22">disk_io</a>
</blockquote>
<p><a href="#idm25">&lr_control</a></p>
<blockquote>
<a href="#idm26">approximation</a> | <a href="#idm34">q1</a> | <a href="#idm35">q2</a> | <a href="#idm36">q3</a> | <a href="#idm39">calculator</a> | <a href="#idm45">itermax</a> | <a href="#idm52">pseudo_hermitian</a> | <a href="#idm56">alpha_mix(i)</a> | <a href="#idm61">epsil</a> | <a href="#idm65">units</a> | <a href="#idm72">start</a> | <a href="#idm80">end</a> | <a href="#idm88">increment</a>
</blockquote>
</blockquote>
</blockquote>
<blockquote>
<a name="idm3"></a><h3>INTRODUCTION</h3>
<blockquote><pre>
Input data format: { } = optional, [ ] = it depends.
All quantities whose dimensions are not explicitly specified are in
RYDBERG ATOMIC UNITS
BEWARE: TABS, DOS <CR><LF> CHARACTERS ARE POTENTIAL SOURCES OF TROUBLE
Comment lines in namelists can be introduced by a "!", exactly as in
fortran code. Comments lines in ``cards'' can be introduced by
either a "!" or a "#" character in the first position of a line.
Structure of the input data:
===============================================================================
&lr_input
...
/
&lr_control
...
/
</pre></blockquote>
</blockquote>
<a name="idm4"></a><a name="lr_input"></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_input</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>
<p><b> This namelist is always needed !
</b></p>
<a name="idm6"></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;">
<tr>
<th align="left" valign="top" width="20%" style="background: #ffff99; padding: 2 2 2 10; ">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;">
Sets the prefix for generated and read files. The files
generated by the ground state pw.x run must have this
same prefix.
</pre></blockquote></td></tr>
</table>
<div align="right" style="margin-bottom: 5;">[<a href="#__top__">Back to Top</a>]</div>
<a name="idm9"></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;">
<tr>
<th align="left" valign="top" width="20%" style="background: #ffff99; padding: 2 2 2 10; ">outdir</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; "> './'
</td>
</tr>
<tr><td align="left" valign="top" colspan="2"><blockquote><pre style="margin-bottom: -1em;">
The directory that contains the run critical files, which
include the files generated by ground state pw.x run.
</pre></blockquote></td></tr>
</table>
<div align="right" style="margin-bottom: 5;">[<a href="#__top__">Back to Top</a>]</div>
<a name="idm12"></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;">
<tr>
<th align="left" valign="top" width="20%" style="background: #ffff99; padding: 2 2 2 10; ">restart</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., turbo_eels.x will attempt to restart
from a previous interrupted calculation. (see <a href="#restart_step">restart_step</a>
variable).
Beware, if set to .false. turbo_eels.x will OVERWRITE any
previous runs.
</pre></blockquote></td></tr>
</table>
<div align="right" style="margin-bottom: 5;">[<a href="#__top__">Back to Top</a>]</div>
<a name="idm16"></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;">
<tr>
<th align="left" valign="top" width="20%" style="background: #ffff99; padding: 2 2 2 10; ">restart_step</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; "> itermax
</td>
</tr>
<tr><td align="left" valign="top" colspan="2"><blockquote><pre style="margin-bottom: -1em;">
The code writes restart files every restart_step iterations.
Restart files are automatically written at the end of
itermax Lanczos steps.
</pre></blockquote></td></tr>
</table>
<div align="right" style="margin-bottom: 5;">[<a href="#__top__">Back to Top</a>]</div>
<a name="idm19"></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;">
<tr>
<th align="left" valign="top" width="20%" style="background: #ffff99; padding: 2 2 2 10; ">lr_verbosity</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;">
This integer variable controls the amount of information
written to standard output.
</pre></blockquote></td></tr>
</table>
<div align="right" style="margin-bottom: 5;">[<a href="#__top__">Back to Top</a>]</div>
<a name="idm22"></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;">
<tr>
<th align="left" valign="top" width="20%" style="background: #ffff99; padding: 2 2 2 10; ">disk_io</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; "> 'default'
</td>
</tr>
<tr><td align="left" valign="top" colspan="2"><blockquote><pre style="margin-bottom: -1em;">
Fine control of disk usage. Currently only 'reduced' is
supported where no restart files are written, apart from
the 'default' mode.
</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="idm25"></a><a name="lr_control"></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_control</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="idm26"></a><a name="approximation"></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; ">approximation</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; "> 'TDDFT'
</td>
</tr>
<tr><td align="left" valign="top" colspan="2"><blockquote>
<pre style="margin-bottom: -1em;"> A string describing a level of theory:
</pre>
<dl style="margin-left: 1.5em;">
<dt><tt><span class="flag">'TDDFT'</span> :</tt></dt>
<dd><pre style="margin-top: 0em; margin-bottom: -1em;">
Time-Dependent Local Density Approximation or
Time-Dependent Generalized Gradient Approximation
(depending on the XC functional)
</pre></dd>
</dl>
<dl style="margin-left: 1.5em;">
<dt><tt><span class="flag">'IPA'</span> :</tt></dt>
<dd><pre style="margin-top: 0em; margin-bottom: -1em;">
Independent Particle Approximation (IPA)
</pre></dd>
</dl>
<dl style="margin-left: 1.5em;">
<dt><tt><span class="flag">'RPA_with_CLFE'</span> :</tt></dt>
<dd><pre style="margin-top: 0em; margin-bottom: -1em;">
Random Phase Approximation (RPA) with
Crystal Local Field Effects (CLFE)
</pre></dd>
</dl>
</blockquote></td></tr>
</table>
<div align="right" style="margin-bottom: 5;">[<a href="#__top__">Back to Top</a>]</div>
<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="white-space: nowrap; background: #ffff99; padding: 2 2 2 10; ">
<a name="idm34"></a><a name="q1"></a>q1, <a name="idm35"></a><a name="q2"></a>q2, <a name="idm36"></a><a name="q3"></a>q3</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; "> 1.0, 1.0, 1.0
</td>
</tr>
<tr><td align="left" valign="top" colspan="2"><blockquote><pre style="margin-bottom: -1em;">
The values of the transferred momentum q = (q1, q2, q3)
in Cartesian coordinates in units of 2pi/a, where
"a" is the lattice parameter.
</pre></blockquote></td></tr>
</table>
<div align="right" style="margin-bottom: 5;">[<a href="#__top__">Back to Top</a>]</div>
<a name="idm39"></a><a name="calculator"></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; ">calculator</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; "> 'lanczos'
</td>
</tr>
<tr><td align="left" valign="top" colspan="2"><blockquote>
<pre style="margin-bottom: -1em;">
Variable that controls which algorithm is used to compute EELS spectra.
</pre>
<dl style="margin-left: 1.5em;">
<dt><tt><span class="flag">'lanczos'</span> :</tt></dt>
<dd><pre style="margin-top: 0em; margin-bottom: -1em;">
corresponds to the Lanczos recursive algorithm
</pre></dd>
</dl>
<dl style="margin-left: 1.5em;">
<dt><tt><span class="flag">'sternheimer'</span> :</tt></dt>
<dd><pre style="margin-top: 0em; margin-bottom: -1em;">
corresponds to the Sternheimer algorithm
</pre></dd>
</dl>
</blockquote></td></tr>
</table>
<div align="right" style="margin-bottom: 5;">[<a href="#__top__">Back to Top</a>]</div>
<a name="idm45"></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;">
<tr>
<th align="left" valign="top" width="20%" style="background: #ffff99; padding: 2 2 2 10; ">itermax</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; "> 500
</td>
</tr>
<tr><td align="left" valign="top" colspan="2"><blockquote><pre style="margin-bottom: -1em;">
When <a href="#calculator">calculator</a> = 'lanczos', <a href="#itermax">itermax</a> is the
maximum number of Lanczos iterations that will be performed.
When <a href="#calculator">calculator</a> = 'sternheimer', <a href="#itermax">itermax</a> is the
maximum number of iterations in a SCF step for each frequency.
</pre></blockquote></td></tr>
</table>
<div align="right" style="margin-bottom: 5;">[<a href="#__top__">Back to Top</a>]</div>
<a name="idm52"></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;">
This variable is used only when <a href="#calculator">calculator</a> = 'lanczos'.
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="idm56"></a><a name="alpha_mix"></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; ">alpha_mix(i)</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; "> alpha_mix(1)=0.7
</td>
</tr>
<tr><td align="left" valign="top" colspan="2"><blockquote><pre style="margin-bottom: -1em;">
This variable is used only when <a href="#calculator">calculator</a> = 'sternheimer'.
Mixing parameter (for the i-th iteration) for updating
the response SCF potential using the modified Broyden
method: D.D. Johnson, <a href="https://journals.aps.org/prb/abstract/10.1103/PhysRevB.38.12807">PRB 38, 12807 (1988)</a>.
</pre></blockquote></td></tr>
</table>
<div align="right" style="margin-bottom: 5;">[<a href="#__top__">Back to Top</a>]</div>
<a name="idm61"></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;">
This variable is used only when <a href="#calculator">calculator</a> = 'sternheimer'.
The broadening/damping term (in Rydberg units).
</pre></blockquote></td></tr>
</table>
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<a name="idm65"></a><a name="units"></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; ">units</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;">
This variable is used only when <a href="#calculator">calculator</a> = 'sternheimer'.
The unit system used for the output, for <a href="#start">start</a>, <a href="#end">end</a>,
and <a href="#increment">increment</a> input parameters.
0 = Rydbergs, 1 = Electron volts.
</pre></blockquote></td></tr>
</table>
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<a name="idm72"></a><a name="start"></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; ">start</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 style="text-align: right; vertical-align: top; background: #ffffc3; padding: 2 10 2 10; "><i>See:</i></td>
<td style="text-align: left; vertical-align: top; background: #fff3d9; padding: 2 2 2 5; ">
<a href="#end">end</a>, <a href="#increment">increment</a>
</td>
</tr>
<tr><td align="left" valign="top" colspan="2"><blockquote><pre style="margin-bottom: -1em;">
This variable is used only when <a href="#calculator">calculator</a> = 'sternheimer'.
<a href="#start">start</a> is the value of frequency starting from which the
susceptibility and the loss function (-Im(1/eps)) will be computed.
<a href="#start">start</a> is specified in units controlled by <a href="#units">units</a>.
</pre></blockquote></td></tr>
</table>
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<a name="idm80"></a><a name="end"></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; ">end</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; "> 2.5
</td>
</tr>
<tr>
<td style="text-align: right; vertical-align: top; background: #ffffc3; padding: 2 10 2 10; "><i>See:</i></td>
<td style="text-align: left; vertical-align: top; background: #fff3d9; padding: 2 2 2 5; ">
<a href="#start">start</a>, <a href="#increment">increment</a>
</td>
</tr>
<tr><td align="left" valign="top" colspan="2"><blockquote><pre style="margin-bottom: -1em;">
This variable is used only when <a href="#calculator">calculator</a> = 'sternheimer'.
<a href="#end">end</a> is the value of frequency up to which the
susceptibility and the loss function (-Im(1/eps)) will be computed.
<a href="#end">end</a> is specified in units controlled by <a href="#units">units</a>.
</pre></blockquote></td></tr>
</table>
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<a name="idm88"></a><a name="increment"></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; ">increment</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; "> 0.001
</td>
</tr>
<tr>
<td style="text-align: right; vertical-align: top; background: #ffffc3; padding: 2 10 2 10; "><i>See:</i></td>
<td style="text-align: left; vertical-align: top; background: #fff3d9; padding: 2 2 2 5; ">
<a href="#start">start</a>, <a href="#end">end</a>
</td>
</tr>
<tr><td align="left" valign="top" colspan="2"><blockquote><pre style="margin-bottom: -1em;">
This variable is used only when <a href="#calculator">calculator</a> = 'sternheimer'.
<a href="#increment">increment</a> is an incremental step used to define the mesh
of frequencies between <a href="#start">start</a> and <a href="#end">end</a>.
<a href="#increment">increment</a> is specified in units controlled by <a href="#units">units</a>.
</pre></blockquote></td></tr>
</table>
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</td></tr></tbody></table></td></tr>
</table>
</td></tr>
</table>
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This file has been created by helpdoc utility on Wed Dec 02 08:04:50 CET 2020.
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