[Pw_forum] Pressure-induced phase transition

[Paolo Giannozzi]

On Jul 20, 2011, at 15:24 , Eric Germaneau wrote:

> Well, I don't know about "common tangent" concept.

you should: it is basic thermodynamics. Some time ago
I wrote something on phase transitions: pag.13-21 of
http://www.fisica.uniud.it/~giannozz/Corsi/sissa02.pdf
These lecture notes are not worth much, but given the
confusion of ideas that emerges from this thread, they
might be useful

Paolo
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Paolo Giannozzi, Dept of Chemistry&Physics&Environment,
Univ. Udine, via delle Scienze 208, 33100 Udine, Italy
Phone +39-0432-558216, fax +39-0432-558222