[Pw_forum] coordinate system for forces when positions are in "crystal" coordinates

Giovanni Cantele giovanni.cantele at spin.cnr.it
Thu Sep 29 15:41:27 CEST 2016


Always cartesian coordinates.
Giovanni


> On 29 Sep 2016, at 15:36, Murray Daw <daw at clemson.edu> wrote:
> 
> Are the forces always calculated in cartesian coordinates?
> 
> Specifically, when the positions are given in “crystal” coordinates, are the forces in
> cartesian coordinates or “crystal” coordinates?
> 
> Thank you.
> 
> …Murray Daw
> 
> 
> ____________________________________________________
> MURRAY S. DAW
> R. A. Bowen Professor of Physics
> Dept of Physics & Astronomy
> Clemson University
> 202A Kinard Labs
> Clemson, SC 29634-0978
> Phone: (864)656-6702
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> e-mail: daw at clemson.edu <mailto:daw at clemson.edu>
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> 
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-- 

Giovanni Cantele, PhD
CNR-SPIN
c/o Dipartimento di Fisica
Universita' di Napoli "Federico II"
Complesso Universitario M. S. Angelo - Ed. 6
Via Cintia, I-80126, Napoli, Italy
e-mail: giovanni.cantele at spin.cnr.it
Phone: +39 081 676910
Skype contact: giocan74

ResearcherID: http://www.researcherid.com/rid/A-1951-2009
Web page: http://people.na.infn.it/~cantele

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