Spin-independent effective mass in a valley-degenerate electron system

In a generic spin-polarized Fermi liquid, the masses of spin-up and spin-down electrons are expected to be different and to depend on the degree of polarization. This expectation is not confirmed by the experiments on two-dimensional heterostructures. We consider a model of an N-fold degenerate elec...

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Veröffentlicht in:	Physical review letters 2005-10, Vol.95 (18), p.186801.1-186801.4, Article 186801
Hauptverfasser:	GANGADHARAIAH, Suhas, MASLOV, Dmitrii L
Format:	Artikel
Sprache:	eng
Schlagworte:	Condensed matter: electronic structure, electrical, magnetic, and optical properties Electron states and collective excitations in thin films, multilayers, quantum wells, mesoscopic and nanoscale systems Electronic structure and electrical properties of surfaces, interfaces, thin films and low-dimensional structures Exact sciences and technology Physics
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