[Pw_forum] Physics of Anderson Localization

[Sitangshu Bhattacharya]

Thank you Dr. Grant. I am looking into it.


Regards,

On Wed, Dec 14, 2016 at 8:59 AM, W2AGZ <w2agz at w2agz.com> wrote:

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