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--></style></head><body lang=EN-US link=blue vlink="#954F72" style='word-wrap:break-word'><div class=WordSection1><p class=MsoNormal>Dear Sir,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>We can add the time inversion symmetry to generate the kgen when we don’t have the inversion symmetry.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I know it’s same when non-magnetic case.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>But in magnetic case, the time inversion symmetry will flip the spin direction, which is not same as the inversion symmetry. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Can we do it the same way?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>In the userguide, it said the magnetic + soc is not available, what about the pure magnetic case?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Kind Regards<o:p></o:p></p><p class=MsoNormal>Rossie<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>