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Luttinger parameter : ウィキペディア英語版 | Luttinger parameter In semiconductors, valence bands are well characterized by 3 Luttinger parameters. At the ''Г''-point in the band structure, and orbitals form valence bands. But spin-orbit coupling splits sixfold degeneracy into high energy 4-fold and lower energy 2-fold bands. Again 4-fold degeneracy is lifted into heavy- and light hole bands by phenomenological Hamiltonian by J. M. Luttinger. ==Three valence band state== In the presence of spin-orbit interaction, total angular momentum should take part in. From the three valence band, l=1 and s=1/2 state generate six state of |j,mj> as The spin-orbit interaction from the relativistic quantum mechanics, lowers the energy of j=1/2 states down.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Luttinger parameter」の詳細全文を読む
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