A new low frequency propagating mode in a 2DEG in a magnetic field

M.J. Lea; A.O. Stone; P. Fozooni; P.J.M. Peters; A.M.L. Janssen; R.W. van der Heijden

doi:10.1016/0039-6028(92)90435-9

A new low frequency propagating mode in a 2DEG in a magnetic field

M.J. Lea
, A.O. Stone
, P. Fozooni
, P.J.M. Peters
, A.M.L. Janssen
, R.W. van der Heijden

Photonics and Semiconductor Nanophysics

Research output: Contribution to journal › Article › Academic › peer-review

2 Citations (Scopus)

Abstract

The electrical admittance of a two-dimensional electron gas, density n, on liquid helium is found to oscillate with magnetic field B at audio frequencies ohms in the low frequency regime ohmsτ ≪ 1, where τ is the relaxation time. This is interpreted as evidence for an edge magnetoplasmon with a propagation constant k ∞ ohmsB/n. Below 1 K, resonant behaviour is observed.

Original language	English
Pages (from-to)	677-679
Number of pages	3
Journal	Surface Science
Volume	263
Issue number	1-3
DOIs	https://doi.org/10.1016/0039-6028(92)90435-9
Publication status	Published - 19 Feb 1992

Funding

We would like to thank the SERC (UK) for financial support. Part of this work is supported by the Dutch Foundation for FundamentalR e-searcho n Matter (FOM).

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10.1016/0039-6028(92)90435-9

Cite this

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abstract = "The electrical admittance of a two-dimensional electron gas, density n, on liquid helium is found to oscillate with magnetic field B at audio frequencies ohms in the low frequency regime ohmsτ ≪ 1, where τ is the relaxation time. This is interpreted as evidence for an edge magnetoplasmon with a propagation constant k ∞ ohmsB/n. Below 1 K, resonant behaviour is observed.",

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AU - Peters, P.J.M.

AU - Janssen, A.M.L.

AU - van der Heijden, R.W.

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N2 - The electrical admittance of a two-dimensional electron gas, density n, on liquid helium is found to oscillate with magnetic field B at audio frequencies ohms in the low frequency regime ohmsτ ≪ 1, where τ is the relaxation time. This is interpreted as evidence for an edge magnetoplasmon with a propagation constant k ∞ ohmsB/n. Below 1 K, resonant behaviour is observed.

AB - The electrical admittance of a two-dimensional electron gas, density n, on liquid helium is found to oscillate with magnetic field B at audio frequencies ohms in the low frequency regime ohmsτ ≪ 1, where τ is the relaxation time. This is interpreted as evidence for an edge magnetoplasmon with a propagation constant k ∞ ohmsB/n. Below 1 K, resonant behaviour is observed.

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A new low frequency propagating mode in a 2DEG in a magnetic field

Abstract

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