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About: Luttinger parameter     Goto   Sponge   NotDistinct   Permalink

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Type: yago:WikicatSemiconductorsyago:Abstraction100002137yago:Conductor114821043yago:Material114580897yago:Matter100020827yago:Part113809207yago:PhysicalEntity100001930yago:Relation100031921yago:Semiconductor114821248yago:Substance100019613 New Facet based on Instances of this Class

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.