Symmetries and General Principies in the Multiband Effective Mass Theory: A Transfer Matrix Study

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We study the time reversal and space inversion symmetry properties of those transfer matrices mostly used in the calculation of energy spectra and transport-process. We study the time reversal and space inversion symmetry properties of those transfer matrices mostly used in the calculation of energy spectra and transport-process quantities. We determine the unitary transformation relating transfer matrices. We consider the Kohn-Luttinger model for a quasi-2D system and show that even though the system studied in the (4 x 4) scheme satisfies all the symmetry requirements, the (2 x 2)subspaces do not fulfill such constrains, except in the Gamma point of the Brillouin Zone. We find new exchange properties between the (2\times 2)subspace quantities.
12 pages, none figures

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Mesoscale and Nanoscale Physics, Other Condensed Matter, Mathematical Physics

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http://salesiana.dossiersoluciones.com/handle/123456789/25020

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0410159
 http://arxiv.org/abs/cond-mat/0410159

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arXiv