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Update pseudopotential information
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albgar committed Oct 25, 2023
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43 changes: 26 additions & 17 deletions Pseudopotentials/index.html
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<html>
<body>
<h3>Pseudopotentials for SIESTA</h3>
<h2>Pseudopotentials for SIESTA</h2>

<p>SIESTA uses pseudopotentials to represent the electron-ion
interaction (as do most plane-wave codes and in contrast to so-called
"all-electron" programs). In particular, the pseudopotentials are of
the "norm-conserving" kind.</p>

<p>The released versions of SIESTA use pseudopotential files in the
<h3>Pseudopotentials in the PSF format</h3>

<p>Versions of SIESTA before 5.0 use pseudopotential files in the
'Froyen' (psf) format. These pseudopotentials can be generated and
tested by a number of programs:</p>
tested by a number of programs, which include:</p>

<ul>
<li><p>Until recently the SIESTA distribution included the ATOM program,
but it is no longer bundled due to licensing issues. If you are an
<li><p>Until recently the SIESTA distribution included the
<a href="https://docs.siesta-project.org/projects/atom/en/latest/">ATOM program</a>,
but it is no longer bundled. If you are an
academic user, you can download it
from <a href="{{site.material_baseurl}}/Pseudos/atom_licence.html">here</a>.</p>

<li><p>For non-academic users, or for those looking for more
pseudopotential options, we recommend a visit to
the <a href="http://www.nnin.org/search/node/pseudopotential">Virtual
Vault for Pseudopotentials</a>. Use one of the pseudopotential
generators listed as providing psf output compatible with Siesta (such as
APE) and follow the proper procedures for testing.</p>
<li><p> The Atomic Pseudopotential Engine (APE) is a computer package
designed to generate and test norm-conserving pseudopotentials within
Density Functional Theory. The generated pseudopotentials can be
either non-relativistic, scalar relativistic or fully relativistic and
can explicitly include semi-core states. A wide range of
exchange-correlation functionals is included through Libxc.</p>

</ul>

<p>Remember that all pseudopotentials should be thoroughly tested
before using them. (See the standard literature on
pseudopotentials and the user manuals for ATOM and other generation
codes for more information on testing).</p>
<p>We used to provide a database of pseudopotentials in psf format,
but we no longer do, as their quality was uneven. A database of
pseudopotentials is still available at
the <a href="https://nninc.cnf.cornell.edu/">Virtual Vault for
Pseudopotentials</a> site, but please remember that all
pseudopotentials should be thoroughly tested before use. (See
the standard literature on pseudopotentials and the user manuals for
ATOM and other generation codes for more information on
testing).</p>


<h3>Curated pseudopotentials in the PSML format</h3>
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available in a web-based database in several formats.
</p>
<p>Users of SIESTA willing to try these
pseudopotentials can use the
pseudopotentials can use the <a href="https://gitlab.com/siesta-project/siesta/-/releases/5.0.0-beta1">
new 5.0 (beta) version</a> or the
<a href="https://gitlab.com/siesta-project/siesta/tree/master">
development version of
SIESTA</a>, which has support for the
SIESTA</a>, which have support for the
new <a href="https://esl.cecam.org/data/psml/">PSML format</a>.
</p>

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2 changes: 1 addition & 1 deletion _config_dev.yml
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canonical_baseurl: "https://siesta-project.org/siesta"
#
#baseurl: "/web-portal"
baseurl: "/Users/ag/W/Siesta/WEBS/web-portal/_site"
baseurl: "/Users/albertog/W/Siesta/WEBS/web-portal/_site"
#
material_baseurl: "https://siesta.icmab.es/SIESTA_MATERIAL"

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