[Pw_forum] Re: a question about a calculation on a relatively large system
umari at democritos.it
umari at democritos.it
Tue Jan 16 11:27:39 CET 2007
Dear Peter,
If you have to deal with large systems in a supercell
sampled only at the gamma point, you could perform
ionic relaxation using the CPV code cp.x.
For this task you should peform a damped molecular dynamics,
using either a Car-Parrinello or a Born-Oppenheimer
scheme, (the latter should be used for metallic systems).
It works fine with large systems up to hundreds of atoms.
Best regards,
Paolo Umari
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