Acoustical and optical magnetoplasma excitations in a bilayer electron system

S. V. Tovstonog; L. V. Kulik; I. V. Kukushkin; A. V. Chaplik; J. H. Smet; K. V. Klitzing; D. Schuh; G. Abstreiter

doi:10.1103/PhysRevB.66.241308

Acoustical and optical magnetoplasma excitations in a bilayer electron system

S. V. Tovstonog, L. V. Kulik, I. V. Kukushkin, A. V. Chaplik, J. H. Smet, K. V. Klitzing, D. Schuh, G. Abstreiter

Natural Sciences

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Abstract

The charge-density magnetoexcitations in the bilayer electron system have been studied by means of inelastic light-scattering spectroscopy. Two principal magnetoplasma excitations of different symmetry, acoustical and optical magnetoplasmons, were observed. These principal excitations couple with in-phase and out-of-phase Bernstein modes at nonzero in-plane momentum through the many-body Coulomb interaction. Detailed measurements of the coupled mode energies were performed and compared with theoretical calculations.

Original language	English
Pages (from-to)	1-4
Number of pages	4
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	66
Issue number	24
DOIs	https://doi.org/10.1103/PhysRevB.66.241308
State	Published - 2002

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10.1103/PhysRevB.66.241308

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abstract = "The charge-density magnetoexcitations in the bilayer electron system have been studied by means of inelastic light-scattering spectroscopy. Two principal magnetoplasma excitations of different symmetry, acoustical and optical magnetoplasmons, were observed. These principal excitations couple with in-phase and out-of-phase Bernstein modes at nonzero in-plane momentum through the many-body Coulomb interaction. Detailed measurements of the coupled mode energies were performed and compared with theoretical calculations.",

author = "Tovstonog, {S. V.} and Kulik, {L. V.} and Kukushkin, {I. V.} and Chaplik, {A. V.} and Smet, {J. H.} and Klitzing, {K. V.} and D. Schuh and G. Abstreiter",

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AU - Kulik, L. V.

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AU - Chaplik, A. V.

AU - Smet, J. H.

AU - Klitzing, K. V.

AU - Schuh, D.

AU - Abstreiter, G.

PY - 2002

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AB - The charge-density magnetoexcitations in the bilayer electron system have been studied by means of inelastic light-scattering spectroscopy. Two principal magnetoplasma excitations of different symmetry, acoustical and optical magnetoplasmons, were observed. These principal excitations couple with in-phase and out-of-phase Bernstein modes at nonzero in-plane momentum through the many-body Coulomb interaction. Detailed measurements of the coupled mode energies were performed and compared with theoretical calculations.

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Acoustical and optical magnetoplasma excitations in a bilayer electron system

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