Exciton binding energy

GW, Bethe-Salpeter …

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hammouri
Posts: 57
Joined: Fri Feb 13, 2015 6:44 am

Exciton binding energy

Post by hammouri » Wed Aug 24, 2016 8:54 pm

Hi all,
Can we get the exciton binding energy from abinit, if so how?

thank you in advance,

M. Hammouri
NMSU
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lucamontana
Posts: 14
Joined: Tue Mar 15, 2016 3:09 am

Re: Exciton binding energy

Post by lucamontana » Thu Aug 25, 2016 12:12 am

Exciton binding energy of the state #i = Band gap - Excitation energy of the state #i

LUCA
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hammouri
Posts: 57
Joined: Fri Feb 13, 2015 6:44 am

Re: Exciton binding energy

Post by hammouri » Thu Aug 25, 2016 10:00 pm

Thank you Luca for replying, but do u have an example or some lectures about this it would be more useful.

-mh
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lucamontana
Posts: 14
Joined: Tue Mar 15, 2016 3:09 am

Re: Exciton binding energy

Post by lucamontana » Mon Aug 29, 2016 11:14 pm

There are many examples in many papers regarding exciton binding energies. Just look at LiF, for instance. or BSE application on other simple systems.

LUCA
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