Correlation effects on the coupled plasmon modes of a double quantum well

N. P.R. Hill; J. T. Nicholls; E. H. Linfield; M. Pepper; D. A. Ritchie; G. A.C. Jones; Ben Yu Kuang Hu; Karsten Flensberg

doi:10.1103/PhysRevLett.78.2204

Correlation effects on the coupled plasmon modes of a double quantum well

N. P.R. Hill, J. T. Nicholls, E. H. Linfield, M. Pepper, D. A. Ritchie, G. A.C. Jones, Ben Yu Kuang Hu, Karsten Flensberg

Condensed Matter Physics

Research output: Contribution to journal › Journal article › Research › peer-review

98 Citations (Scopus)

Abstract

At temperatures comparable to the Fermi temperature, we have measured a plasmon enhanced Coulomb drag in a GaAs/AlGaAs double quantum well electron system. This measurement provides a probe of the many-body corrections to the coupled plasmon modes, and we present a detailed comparison between experiment and theory testing the validity of local field theories. Using a perpendicular magnetic field to raise the magnetoplasmon energy we can induce a crossover to single-particle Coulomb scattering.

Original language	English
Journal	Physical Review Letters
Volume	78
Issue number	11
Pages (from-to)	2204-2207
Number of pages	4
ISSN	0031-9007
DOIs	https://doi.org/10.1103/PhysRevLett.78.2204
Publication status	Published - 1 Jan 1997

Access to Document

10.1103/PhysRevLett.78.2204

Cite this

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title = "Correlation effects on the coupled plasmon modes of a double quantum well",

abstract = "At temperatures comparable to the Fermi temperature, we have measured a plasmon enhanced Coulomb drag in a GaAs/AlGaAs double quantum well electron system. This measurement provides a probe of the many-body corrections to the coupled plasmon modes, and we present a detailed comparison between experiment and theory testing the validity of local field theories. Using a perpendicular magnetic field to raise the magnetoplasmon energy we can induce a crossover to single-particle Coulomb scattering.",

author = "Hill, {N. P.R.} and Nicholls, {J. T.} and Linfield, {E. H.} and M. Pepper and Ritchie, {D. A.} and Jones, {G. A.C.} and Hu, {Ben Yu Kuang} and Karsten Flensberg",

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AU - Nicholls, J. T.

AU - Linfield, E. H.

AU - Pepper, M.

AU - Ritchie, D. A.

AU - Jones, G. A.C.

AU - Hu, Ben Yu Kuang

AU - Flensberg, Karsten

PY - 1997/1/1

Y1 - 1997/1/1

N2 - At temperatures comparable to the Fermi temperature, we have measured a plasmon enhanced Coulomb drag in a GaAs/AlGaAs double quantum well electron system. This measurement provides a probe of the many-body corrections to the coupled plasmon modes, and we present a detailed comparison between experiment and theory testing the validity of local field theories. Using a perpendicular magnetic field to raise the magnetoplasmon energy we can induce a crossover to single-particle Coulomb scattering.

AB - At temperatures comparable to the Fermi temperature, we have measured a plasmon enhanced Coulomb drag in a GaAs/AlGaAs double quantum well electron system. This measurement provides a probe of the many-body corrections to the coupled plasmon modes, and we present a detailed comparison between experiment and theory testing the validity of local field theories. Using a perpendicular magnetic field to raise the magnetoplasmon energy we can induce a crossover to single-particle Coulomb scattering.

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