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Exciton binding energy

Posted: Wed Aug 24, 2016 8:54 pm
by hammouri
Hi all,
Can we get the exciton binding energy from abinit, if so how?

thank you in advance,

M. Hammouri
NMSU

Re: Exciton binding energy

Posted: Thu Aug 25, 2016 12:12 am
by lucamontana
Exciton binding energy of the state #i = Band gap - Excitation energy of the state #i

LUCA

Re: Exciton binding energy

Posted: Thu Aug 25, 2016 10:00 pm
by hammouri
Thank you Luca for replying, but do u have an example or some lectures about this it would be more useful.

-mh

Re: Exciton binding energy

Posted: Mon Aug 29, 2016 11:14 pm
by lucamontana
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