[Wien] Different Plasma Frequency (PF) for bulk and supercell Na

[Lyudmila Dobysheva]

13.10.2015 12:58, Muhammad Sajjad wrote:
> Should plasma frequency be same for bulk and
> supercell?

I do not know about PF, but I'd say yes.

>> In terms of accuracy, this is the worst.
> but why?

Because 30 in z direction in supercell means 180 in usual cell, and you 
have only 18.


   Lyudmila Dobysheva
------------------------------------------------------------------
Phys.-Techn. Institute of Ural Br. of Russian Ac. of Sci.
426001 Izhevsk, ul.Kirova 132
RUSSIA
------------------------------------------------------------------
Tel.:7(3412) 432045(office), 722529(Fax)
E-mail: lyu at ftiudm.ru, lyuka17 at mail.ru (office)
         lyuka17 at gmail.com (home)
Skype:  lyuka17 (home), lyuka18 (office)
http://ftiudm.ru/content/view/25/103/lang,english/
------------------------------------------------------------------