[Pw_forum] how to find out the stable structure under high pressure

[Nicola Marzari]

Yes,

			nicola


li yan wrote:
> Dear all,
>        I found soft modes in a system under pressure. Is it true that 
> there must be a global energy miniumu in the subspace spanned by the 
> eignevectors of the soft modes?  And by searching this munimum, can i 
> find the stable high-pressure strucure?  
>  
>  
> best regards
> 
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Prof Nicola Marzari   Department of Materials Science and Engineering
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