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Terahertz band-gap in InAs/GaSb type-II superlattices

โœ Scribed by L.L. Li; W. Xu; Z. Zeng; A.R. Wright; C. Zhang; J. Zhang; Y.L. Shi; T.C. Lu

Publisher
Elsevier Science
Year
2009
Tongue
English
Weight
265 KB
Volume
40
Category
Article
ISSN
0026-2692

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Exchange-induced band hybridization in I
Exchange-induced band hybridization in InAs/GaSb based type II and broken-gap quantum well systems
โœ W. Xu; Z. Zeng; A.R. Wright; C. Zhang; J. Zhang; T.C. Lu ๐Ÿ“‚ Article ๐Ÿ“… 2009 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 188 KB

We demonstrate theoretically that the many-body effect such as exchange interaction can cause the hybridization of the electron and hole dispersion relations in InAs/GaSb based type II and broken-gap quantum well (QW) systems. As a result, a terahertz mini-gap at the anti-crossing points of the cond