Hill, N P R , Nicholls, James, Linfield, E H , Pepper, M , Ritchie, D A , Jones, G A C , Hu, B Y K and Flensberg, K (1997) Correlation effects on the coupled plasmon modes of a double quantum well. Physical Review Letters, 78 (11).
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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.
This is a Submitted version This version's date is: 17/3/1997 This item is not peer reviewed
https://repository.royalholloway.ac.uk/items/196ff0ae-6174-d470-6a80-e28294e51c9b/3/
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