[Pw_forum] difference between molecular dynamics of PW and that of CPMD

[Lawrence Lee]

Dear sir / madam,

I am a new user of pwscf. I know that pw can do molecular dynamics. What is the difference between that and CPMD? 

Besides, do you know how to restart the run in pw.x? For example, if I have made a run of 400 steps with dt = 20 atomic time unit, but now I find it insufficient. I need the run to have 2000 steps, say. Do I have any method to proceed the run without doing it from the first step again?

Lawrence.

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