Transport properties of a two-dimensional electron system at even-denominator fillings of the lowest Landau level

H. W. Jiang; L. W. Engel; D. C. Tsui; H. L. Stormer; L. N. Pfeiffer; K. W. West

doi:10.1103/PhysRevB.46.10468

Transport properties of a two-dimensional electron system at even-denominator fillings of the lowest Landau level

H. W. Jiang, L. W. Engel, D. C. Tsui, H. L. Stormer, L. N. Pfeiffer, K. W. West

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7 Scopus citations

Abstract

We observe magnetotransport minima at Landau-level filling factors =1/4 and 3/4 distinctly different from the transport signatures of the fractional quantum Hall effect. These features are similar to the anomalies reported earlier at half-filled Landau levels. Tilting the magnetic field away from normal incidence has no observable effect on the strength of the minima. The strong similarity between the transport properties at =3/2, 3/4, 1/2, and 1/4 suggests a common origin.

Original language	English (US)
Pages (from-to)	10468-10471
Number of pages	4
Journal	Physical Review B
Volume	46
Issue number	16
DOIs	https://doi.org/10.1103/PhysRevB.46.10468
State	Published - 1992
Externally published	Yes

All Science Journal Classification (ASJC) codes

Condensed Matter Physics

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10.1103/PhysRevB.46.10468

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abstract = "We observe magnetotransport minima at Landau-level filling factors =1/4 and 3/4 distinctly different from the transport signatures of the fractional quantum Hall effect. These features are similar to the anomalies reported earlier at half-filled Landau levels. Tilting the magnetic field away from normal incidence has no observable effect on the strength of the minima. The strong similarity between the transport properties at =3/2, 3/4, 1/2, and 1/4 suggests a common origin.",

author = "Jiang, {H. W.} and Engel, {L. W.} and Tsui, {D. C.} and Stormer, {H. L.} and Pfeiffer, {L. N.} and West, {K. W.}",

year = "1992",

doi = "10.1103/PhysRevB.46.10468",

language = "English (US)",

volume = "46",

pages = "10468--10471",

journal = "Physical Review B",

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T1 - Transport properties of a two-dimensional electron system at even-denominator fillings of the lowest Landau level

AU - Jiang, H. W.

AU - Engel, L. W.

AU - Tsui, D. C.

AU - Stormer, H. L.

AU - Pfeiffer, L. N.

AU - West, K. W.

PY - 1992

Y1 - 1992

N2 - We observe magnetotransport minima at Landau-level filling factors =1/4 and 3/4 distinctly different from the transport signatures of the fractional quantum Hall effect. These features are similar to the anomalies reported earlier at half-filled Landau levels. Tilting the magnetic field away from normal incidence has no observable effect on the strength of the minima. The strong similarity between the transport properties at =3/2, 3/4, 1/2, and 1/4 suggests a common origin.

AB - We observe magnetotransport minima at Landau-level filling factors =1/4 and 3/4 distinctly different from the transport signatures of the fractional quantum Hall effect. These features are similar to the anomalies reported earlier at half-filled Landau levels. Tilting the magnetic field away from normal incidence has no observable effect on the strength of the minima. The strong similarity between the transport properties at =3/2, 3/4, 1/2, and 1/4 suggests a common origin.

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U2 - 10.1103/PhysRevB.46.10468

DO - 10.1103/PhysRevB.46.10468

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JO - Physical Review B

JF - Physical Review B

IS - 16

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Transport properties of a two-dimensional electron system at even-denominator fillings of the lowest Landau level

Abstract

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