[Pw_forum] Negative Polarization !!!
quantum.pwscf at gmail.com
Mon May 11 19:01:06 CEST 2015
If we have a negative total polarization (by nscf+lberry),has it meaning?
This happens, for example, in strain study of tetragonal perovskites.
if it has meaning, what does it mean, physically?
I have some problem with negative polarization !!!!
Theoretical Condensed Matter Physics
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