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zhang668

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ºØÒÇ(½ð±Ò+1): ллָµ¼£¡ 2011-05-28 21:17:30
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zhang668(½ð±Ò+1): лл½»Á÷ 2011-05-28 18:00:05
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Originally posted by fliablepig at 2011-01-08 23:53:48:
Çë½Ì¸÷λ´óÏÀ£¬ÈçºÎÉ趨²ÎÊý£¬ÔÚvaspÀïʵÏÖfrozen phononµÄ¼ÆËã°¡¡£ÔÚϳõѧÕߣ¬Íò·Ö¸Ðл£¡£¡£¡

ÕâÊÇÎÒժ¼×ÔVASPÂÛ̳µÄ

you can calculate the gamma-point phonons with vasp.4.6, using a frozen phonon approach
please use IBRION=5 in that case, and set POTIM = 0.015 (as the harmonic limit is assumed)
in case you do not need all modes, please use the Selective dymanics key in POSCAR and just allow the vibrations you are intrested in (by setting F/T ) in order to save CPU time. it is not possible to continue a broken phonon job (keeping the info) it has to be restarted from the beginning.
relativistic effects can be simulated by using spin-orbit splitting (please have a look at the LSORBIT tag, and the additional parameters you have to set.
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