[Pw_forum] Force contant matrix elements

[Yingli Niu]

Thank you!

On 9/4/06, Paolo Giannozzi <giannozz at nest.sns.it> wrote:
> On Monday 04 September 2006 07:03, Yingli Niu wrote:
> >
> > As we know that force contant matrix elements are stored in the case.
> > fc file. FC(j1,j2,atom1,atom2,m1,m2,m3)
> > Question:
> > j1,j2 is along x,y,z(Cartesian coordinates)
> > or
> > j1,j2 is along a,b,c(Crystal coordinates)
> > Which one is right?
>
> cartesian, if I remember correctly.
>
> P.
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-- 
Yingli Niu