Kirpichev, V. E., Kulik, L. V., Kukushkin, I. V., Klitzing, Klaus von, Eberl, Karl und Wegscheider, Werner
Direct observation of the intersubband Bernstein modes: Many-body coupling with spin- and charge-density excitations.
Physical Review B 59 (20), R12751-R12754.
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The spectrum of collective intersubband magneto excitations in a quasi-two-dimensional electron system confined in a single quantum well has been studied by inelastic light scattering spectroscopy. Intersubband Bernstein modes with a change of the Landau level index up to three were observed in a perpendicular magnetic field. It is demonstrated that Bernstein modes couple with intersubband charge ...
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