[Pw_forum] equation of states

[Paolo Giannozzi]

Payam Norouzzadeh wrote:

> ev.x executable code as a part of QE can fit energy versus lattice 
> constant curve to 4 different equation of states named birch1, 
> birch2,keane and murnaghan.Does anyone know how can I find more 
> information about these equation of states?

in the related literature (unfortunately in hard to find old issues
of geophysical journals). There is a rather good wikipedia page:
http://en.wikipedia.org/wiki/Birch–Murnaghan_equation_of_state

P.
-- 
Paolo Giannozzi, Democritos and University of Udine, Italy