[Pw_forum] confusion in ev.x

[karan deep]

Dear users

I am quite confused by the naming used in ev.x

after going through ev.f90 i conclude that

Birch function used in this program is P(V) equation and  for  istate=1 i.e
birch 1st order

is actually a 3rd order Birch-Murnaghan equation of  state as mentiontioed
in WIKIPEDIA page

http://en.wikipedia.org/wiki/Birch%E2%80%93Murnaghan_equation_of_state

Please correct me if i m wrong.





Karandeep
Research Scholar
Physics Department,
IIT,  Delhi
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