The band structure of Z-like quantum wires

We analyze the electronic properties of quantum wires with a Z-like profile within four-band models for the valence band of a semiconductor of diamond and zinc blende type. Group-theoretical considerations show that the valence-band structure is doubly degenerate only when the linear k-terms (coming e.g. from the bulk crystal inversion asymmetry) are neglected. The considerations apply to the more general case of a profile containing a 2D center of inversion.


Published in:
Physica Status Solidi B-Basic Research, 234, 1, 329-337
Year:
2002
ISSN:
0370-1972
Keywords:
Note:
Swiss Fed Inst Technol, Inst Quantum Elect, EPFL, CH-1015 Lausanne, Switzerland. Swiss Fed Inst Technol, Photon Sch Basic Sci, EPFL, CH-1015 Lausanne, Switzerland. Dupertuis, MA, Swiss Fed Inst Technol, Inst Quantum Elect, EPFL, CH-1015 Lausanne, Switzerland.
ISI Document Delivery No.: 621QL
Times Cited: 2
Cited Reference Count: 15
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 Record created 2007-08-31, last modified 2018-03-17


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