[Pw_forum] Kind of Stress tensor

[Mahdi Faghihnasiri]

Dear all,

I know If I set tstress=.true. the stress tensor will be computed and
printed. but What's the kind of the Stress Tensor QE dose print? for
example Cauchy,
 true, Kirchhoff, PK2, ...
I am trying to calculate second Piola–Kirchhoff (PK2) stresses with
QE. Any suggestions or comments are appreciated.

Sincerely
Mahdi

*Mahdi FaghihNasiri*
Department of Physics
Shahrood University of Technology
Shahrood, Iran
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