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<DIV>Dear Mr. Andersen</DIV>
<DIV>Thanks for your reply. I have found that there have a
optional parameters EFIELD for the perturbation electic field in the
case.in0. </DIV>
<DIV>my question is how can i define the electric field direction and the
meaning of he IEFIELD parameter?</DIV>
<DIV>Best regards,</DIV>
<DIV>L.Z.Sun</DIV>
<DIV>
<HR>
</DIV>
<DIV>Dear Mr. Sun,</DIV>
<DIV> </DIV>
<DIV>you have to be more specific!</DIV>
<DIV> </DIV>
<DIV>In general, DFT codes can not handle "arbitrary" electromagnetic fields </DIV>
<DIV>if selfconsistency is needed, since the "ground state" become undefined.</DIV>
<DIV> </DIV>
<DIV>If a perturbation approach (the DFT "ground state" is well defined) is </DIV>
<DIV>good enough for you, you should be able to use wien2k.</DIV>
<DIV> </DIV>
<DIV>Best regards,</DIV>
<DIV>Torsten Andersen.</DIV>
<DIV> </DIV>
<DIV>L.Z. Sun wrote:</DIV>
<DIV>>> Dear WIEN2k users,</DIV>
<DIV>>>
i want to study the case which the properties of semiconductor </DIV>
<DIV>>>
materials under an arbitrary external electronic fields. can wien2k </DIV>
<DIV>>> deal this calculation?</DIV>
<DIV>>> </DIV>
<DIV>>> thanks advance.</DIV>
<DIV>>> L.Z.Sun</DIV>
<DIV> </DIV>
<DIV>-- </DIV>
<DIV>Dr. Torsten Andersen TA-web: http://deep.at/myspace/</DIV>
<DIV>AG Hübner, Department of Physics, Kaiserslautern University</DIV>
<DIV>http://cmt.physik.uni-kl.de http://www.physik.uni-kl.de/</DIV>
<DIV> </DIV>
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