Universal conductance fluctuations and electron coherence lengths in a narrow two-dimensional electron gas

T. J. Thornton; M. Pepper; H. Ahmed; G. J. Davies; D. Andrews

doi:10.1103/PhysRevB.36.4514

Universal conductance fluctuations and electron coherence lengths in a narrow two-dimensional electron gas

T. J. Thornton, M. Pepper, H. Ahmed, G. J. Davies, D. Andrews

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44 Scopus citations

Abstract

The conductance of a narrow two-dimensional electron gas in a GaAs: Al0.3Ga0.7As heterojunction fluctuates as a function of magnetic field. The variance and correlation length of the fluctuations have been measured for a number of temperatures, and the electron phase-breaking length is found to vary as a small negative power of the temperature.

Original language	English (US)
Pages (from-to)	4514-4517
Number of pages	4
Journal	Physical Review B
Volume	36
Issue number	8
DOIs	https://doi.org/10.1103/PhysRevB.36.4514
State	Published - 1987
Externally published	Yes

ASJC Scopus subject areas

Condensed Matter Physics

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10.1103/PhysRevB.36.4514

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title = "Universal conductance fluctuations and electron coherence lengths in a narrow two-dimensional electron gas",

abstract = "The conductance of a narrow two-dimensional electron gas in a GaAs: Al0.3Ga0.7As heterojunction fluctuates as a function of magnetic field. The variance and correlation length of the fluctuations have been measured for a number of temperatures, and the electron phase-breaking length is found to vary as a small negative power of the temperature.",

author = "Thornton, {T. J.} and M. Pepper and H. Ahmed and Davies, {G. J.} and D. Andrews",

year = "1987",

doi = "10.1103/PhysRevB.36.4514",

language = "English (US)",

volume = "36",

pages = "4514--4517",

journal = "Physical Review B",

issn = "0163-1829",

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T1 - Universal conductance fluctuations and electron coherence lengths in a narrow two-dimensional electron gas

AU - Thornton, T. J.

AU - Pepper, M.

AU - Ahmed, H.

AU - Davies, G. J.

AU - Andrews, D.

PY - 1987

Y1 - 1987

N2 - The conductance of a narrow two-dimensional electron gas in a GaAs: Al0.3Ga0.7As heterojunction fluctuates as a function of magnetic field. The variance and correlation length of the fluctuations have been measured for a number of temperatures, and the electron phase-breaking length is found to vary as a small negative power of the temperature.

AB - The conductance of a narrow two-dimensional electron gas in a GaAs: Al0.3Ga0.7As heterojunction fluctuates as a function of magnetic field. The variance and correlation length of the fluctuations have been measured for a number of temperatures, and the electron phase-breaking length is found to vary as a small negative power of the temperature.

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U2 - 10.1103/PhysRevB.36.4514

DO - 10.1103/PhysRevB.36.4514

M3 - Article

AN - SCOPUS:0009211406

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VL - 36

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EP - 4517

JO - Physical Review B

JF - Physical Review B

IS - 8

ER -

Universal conductance fluctuations and electron coherence lengths in a narrow two-dimensional electron gas

Abstract

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