Cyclotron spin-flip excitations in the extreme quantum limit

DOI zum Zitieren dieses Dokuments:: 10.5283/epub.11185

Kulik, L. V. ; Kukushkin, I. V. ; Kirpichev, V. E. ; Smet, J. H. ; Klitzing, Klaus von ; Wegscheider, Werner

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Veröffentlichungsdatum dieses Volltextes: 30 Nov 2009 13:59

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Zusammenfassung

The cyclotron spin-flip excitations of a two-dimensional electron system in the extreme quantum limit have been investigated by inelastic light scattering. The electron interaction energy was directly determined from the gap between the charge- and spin-density modes in a broad region of electron filling factors. A comparison of the experimental results with the Hartree-Fock and generalized ...