[Pw_forum] How to change velocities of specified ions ?

[Paolo Giannozzi]

On Mar 7, 2009, at 11:31 , lan haiping wrote:

> 2, About electron_velocities.  For elastic scattering on ions,
> should i consider the change of electron_velocities ?
> I am not very clear about this tag, would you please explain
> which  physical process this tag account for ?

electron velocities are used in Car-Parrinello simulations and
there is no related "physical process": the electron dynamics
is fictitious

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