Conductance fluctuations of chiral metals

D. P. Druist, Kyung-hwa Yoo, P. J. Turley, E. G. Gwinn, K. Maranowski, A. C. Gossard

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

We study conductance fluctuations of the edge-state sheath that forms in the integer quantum Hall effect from the coupled edge states of a GaAs/AlxGa1-xAs multilayer. Comparison of the measured variance in the vertical conductance to recent theoretical predictions for mesoscopic fluctuations suggests dephasing lengths of 1-10 μm around the sheath perimeter at low temperatures. However, inconsistencies in the estimated inelastic lengths indicate that present understanding of dephasing on the sheath is incomplete.

Original languageEnglish
Pages (from-to)181-184
Number of pages4
JournalSuperlattices and Microstructures
Volume25
Issue number1-2
DOIs
Publication statusPublished - 1999 Jan 1

Fingerprint

Quantum Hall effect
sheaths
Multilayers
Metals
metals
quantum Hall effect
Temperature
integers
predictions
gallium arsenide

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

Cite this

Druist, D. P., Yoo, K., Turley, P. J., Gwinn, E. G., Maranowski, K., & Gossard, A. C. (1999). Conductance fluctuations of chiral metals. Superlattices and Microstructures, 25(1-2), 181-184. https://doi.org/10.1006/spmi.1998.0634
Druist, D. P. ; Yoo, Kyung-hwa ; Turley, P. J. ; Gwinn, E. G. ; Maranowski, K. ; Gossard, A. C. / Conductance fluctuations of chiral metals. In: Superlattices and Microstructures. 1999 ; Vol. 25, No. 1-2. pp. 181-184.
@article{98aee5c8fdba4221b4f0474ba9934fad,
title = "Conductance fluctuations of chiral metals",
abstract = "We study conductance fluctuations of the edge-state sheath that forms in the integer quantum Hall effect from the coupled edge states of a GaAs/AlxGa1-xAs multilayer. Comparison of the measured variance in the vertical conductance to recent theoretical predictions for mesoscopic fluctuations suggests dephasing lengths of 1-10 μm around the sheath perimeter at low temperatures. However, inconsistencies in the estimated inelastic lengths indicate that present understanding of dephasing on the sheath is incomplete.",
author = "Druist, {D. P.} and Kyung-hwa Yoo and Turley, {P. J.} and Gwinn, {E. G.} and K. Maranowski and Gossard, {A. C.}",
year = "1999",
month = "1",
day = "1",
doi = "10.1006/spmi.1998.0634",
language = "English",
volume = "25",
pages = "181--184",
journal = "Superlattices and Microstructures",
issn = "0749-6036",
publisher = "Academic Press Inc.",
number = "1-2",

}

Druist, DP, Yoo, K, Turley, PJ, Gwinn, EG, Maranowski, K & Gossard, AC 1999, 'Conductance fluctuations of chiral metals', Superlattices and Microstructures, vol. 25, no. 1-2, pp. 181-184. https://doi.org/10.1006/spmi.1998.0634

Conductance fluctuations of chiral metals. / Druist, D. P.; Yoo, Kyung-hwa; Turley, P. J.; Gwinn, E. G.; Maranowski, K.; Gossard, A. C.

In: Superlattices and Microstructures, Vol. 25, No. 1-2, 01.01.1999, p. 181-184.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Conductance fluctuations of chiral metals

AU - Druist, D. P.

AU - Yoo, Kyung-hwa

AU - Turley, P. J.

AU - Gwinn, E. G.

AU - Maranowski, K.

AU - Gossard, A. C.

PY - 1999/1/1

Y1 - 1999/1/1

N2 - We study conductance fluctuations of the edge-state sheath that forms in the integer quantum Hall effect from the coupled edge states of a GaAs/AlxGa1-xAs multilayer. Comparison of the measured variance in the vertical conductance to recent theoretical predictions for mesoscopic fluctuations suggests dephasing lengths of 1-10 μm around the sheath perimeter at low temperatures. However, inconsistencies in the estimated inelastic lengths indicate that present understanding of dephasing on the sheath is incomplete.

AB - We study conductance fluctuations of the edge-state sheath that forms in the integer quantum Hall effect from the coupled edge states of a GaAs/AlxGa1-xAs multilayer. Comparison of the measured variance in the vertical conductance to recent theoretical predictions for mesoscopic fluctuations suggests dephasing lengths of 1-10 μm around the sheath perimeter at low temperatures. However, inconsistencies in the estimated inelastic lengths indicate that present understanding of dephasing on the sheath is incomplete.

UR - http://www.scopus.com/inward/record.url?scp=0001505981&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0001505981&partnerID=8YFLogxK

U2 - 10.1006/spmi.1998.0634

DO - 10.1006/spmi.1998.0634

M3 - Article

AN - SCOPUS:0001505981

VL - 25

SP - 181

EP - 184

JO - Superlattices and Microstructures

JF - Superlattices and Microstructures

SN - 0749-6036

IS - 1-2

ER -

Druist DP, Yoo K, Turley PJ, Gwinn EG, Maranowski K, Gossard AC. Conductance fluctuations of chiral metals. Superlattices and Microstructures. 1999 Jan 1;25(1-2):181-184. https://doi.org/10.1006/spmi.1998.0634