[Wien] Energy gap in PbTe

[Dima Vingurt]

Dear wien2k users,
I am performing calculations of the energy gap in PbTe. Even with spin-orbit
coupling this gap comes out of the order  0.7 eV instead of 0.2eV. Do
somebody have any experience and can provide me with suggestions or
recommendations how to perform calculations to obtain correct result?

Dima V.
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