<div dir="ltr"><div>Thank you Dr. Grant. I am looking into it.<br><br><br></div>Regards,<br></div><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Dec 14, 2016 at 8:59 AM, W2AGZ <span dir="ltr"><<a href="mailto:w2agz@w2agz.com" target="_blank">w2agz@w2agz.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Regarding Nicola's suggestion to map onto a tight binding Hamiltonian as a<br>
starting point relevant parameters derived from a QE calculation and then<br>
randomize for a subsequent quantum Monte Carlo estimate of Anderson<br>
localization, have a look at the this paper<br>
<a href="http://w2agz.com/Publications/Science%20&%20Technology/IBM/46%20(1983)%20Bro
ken-Symmetry%20Band%20Structure%20of%20Ditetraethyltetraselenafulvalene-X%20
%5b(TMTSF" rel="noreferrer" target="_blank">http://w2agz.com/Publications/<wbr>Science%20&%20Technology/IBM/<wbr>46%20(1983)%20Bro<br>
ken-Symmetry%20Band%<wbr>20Structure%20of%<wbr>20Ditetraethyltetraselenafulva<wbr>lene-X%20<br>
%5b(TMTSF</a>)_2X%5d.pdf .<br>
<br>
Regards,<br>
Paul Grant<br>
W2AGZ Technologies<br>
<a href="http://www.w2agz.com" rel="noreferrer" target="_blank">www.w2agz.com</a><br>
<div class="HOEnZb"><div class="h5"><br>
-----Original Message-----<br>
From: <a href="mailto:pw_forum-bounces@pwscf.org">pw_forum-bounces@pwscf.org</a> [mailto:<a href="mailto:pw_forum-bounces@pwscf.org">pw_forum-bounces@<wbr>pwscf.org</a>] On<br>
Behalf Of Nicola Marzari<br>
Sent: Tuesday, December 13, 2016 9:45 AM<br>
To: PWSCF Forum<br>
Subject: Re: [Pw_forum] Physics of Anderson Localization<br>
<br>
On 13/12/2016 18:39, Sitangshu Bhattacharya wrote:<br>
> Dear QE people,<br>
><br>
> Is there a way to study Anderson localization in say, 2D systems, using<br>
QE?<br>
> I want to see how the resistance behaves under dominant Anderson<br>
> localization.<br>
><br>
> Regards,<br>
<br>
<br>
I guess you could map the problem into a tight-binding hamiltonian, decide<br>
how disorder influences that, and diagonalize?<br>
<br>
                                nicola<br>
<br>
--<br>
------------------------------<wbr>------------------------------<wbr>----------<br>
Prof Nicola Marzari, Chair of Theory and Simulation of Materials, EPFL<br>
Director, National Centre for Competence in Research NCCR MARVEL, EPFL<br>
<a href="http://theossrv1.epfl.ch/Main/Contact" rel="noreferrer" target="_blank">http://theossrv1.epfl.ch/Main/<wbr>Contact</a> <a href="http://nccr-marvel.ch/en/project" rel="noreferrer" target="_blank">http://nccr-marvel.ch/en/<wbr>project</a><br>
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</div></div></blockquote></div><br><br clear="all"><br>-- <br><div class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><font size="3">**********************************************</font></div><div><font size="3">Sitangshu Bhattacharya (সিতাংশু ভট্টাচার্য), Ph.D<br></font></div><div><font size="3">Assistant Professor,</font></div><div><font size="3">Room No. 2221, CC-1,<br>Nanoscale Electro-Thermal Laboratory,<br>Department of Electrical and Communication Engineering,<br>Indian Institute of Information Technology-Allahabad<br></font></div><font size="3"><span>Uttar Pradesh 211 012</span><br>India<br>Telephone: 91-532-2922000 Extn.: 2131<br>Web-page: <a href="http://profile.iiita.ac.in/sitangshu/" target="_blank">http://profile.iiita.ac.in/sitangshu/</a><br>Institute: <a href="http://www.iiita.ac.in/" target="_blank">http://www.iiita.ac.in/</a><br><br></font></div></div></div></div></div></div></div></div></div></div></div></div>
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