[Pw_forum] time-dependent perturbation theory

yelena yelena at ipb.ac.rs
Thu Sep 25 14:26:32 CEST 2014

> Why would you need TD perturbation theory? for dealing with
> non-adiabatic effects? SB
yes. Kohn anomaly is present in material and there is significant 
non-adiabatic effect.

Institute of Physics Belgrade
Pregrevica 118, 11080 Belgrade, Serbia

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