Application of a total-angular-momentum basis to quantum-dot band structure
- 9 July 1990
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 65 (2) , 239-242
- https://doi.org/10.1103/physrevlett.65.239
Abstract
Multiband envelope theory is reformulated in terms of a basis of total envelope and zone-center Bloch angular momentum. The k⋅p operator is scalar with respect to the total-angular-momentum operator and hence is block diagonal in its eigenbasis. The projections of the Hamiltonian into the F=1/2 and the F=3/2 subspaces of total angular momentum are derived and quantum-dot band structure is calculated in GaAs(AlGaAs) and InAs(GaSb) systems as an example application of the formalism.Keywords
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