Space-group operations and time-reversal for a Dirac electron in a crystal field
1958 ◽
Vol 243
(1235)
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pp. 546-554
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It is shown in the first part how the basic formalism of the theory of spin-orbit coupling in the band theory of crystals can be deduced at once from the Dirac equation without the usual ambiguities over improper rotations associated with the formalism based on the Pauli-Schrödinger equation. In the second part it is shown that the original proofs of the time-reversal theorems given by Wigner are unnecessarily complicated.
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1961 ◽
Vol 261
(1305)
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pp. 207-214
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2008 ◽
Vol 372
(13)
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pp. 2201-2207
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2008 ◽
Vol 48
(4)
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pp. 1142-1149
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2001 ◽
Vol 117
(3)
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pp. 213-222
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