Abstract:
A
calculation of the spin-orbit splitting of the energy levels
at the corner of the Brillouin zone in Mg isperformed using a
six orthogonalized-plane-wave approximation. The parameters of
the wave functionswere taken from an existing calculation by
one of the authors. The corresponding splittings for Be,
Zn,Cd, and Tl are estimated from spectroscopic values of the
atomic splittings. The changes in the topologicalproperties of
the Fermi surface caused by the spin-orbit splitting are
discussed as well as the implications ofthese changes for various
physical properties.
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