Evidence for a spin transition in the =2/3 fractional quantum Hall effect

J. P. Eisenstein; H. L. Stormer; L. N. Pfeiffer; K. W. West

doi:10.1103/PhysRevB.41.7910

Evidence for a spin transition in the =2/3 fractional quantum Hall effect

J. P. Eisenstein, H. L. Stormer, L. N. Pfeiffer, K. W. West

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Abstract

Magnetotransport measurements on a low-density two-dimensional electron system have revealed a re-entrant dependence of the activation energy on magnetic field for the fractional quantum Hall state at 2/3 filling of the lowest Landau level. The data are consistent with a change in the spin structure of the ground state at 2/3 filling, but do not provide a simple picture of the quasiparticle excitation process. As yet we find no similar effect for the =2/5 state.

Original language	English (US)
Pages (from-to)	7910-7913
Number of pages	4
Journal	Physical Review B
Volume	41
Issue number	11
DOIs	https://doi.org/10.1103/PhysRevB.41.7910
State	Published - 1990
Externally published	Yes

All Science Journal Classification (ASJC) codes

Condensed Matter Physics

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10.1103/PhysRevB.41.7910

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title = "Evidence for a spin transition in the =2/3 fractional quantum Hall effect",

abstract = "Magnetotransport measurements on a low-density two-dimensional electron system have revealed a re-entrant dependence of the activation energy on magnetic field for the fractional quantum Hall state at 2/3 filling of the lowest Landau level. The data are consistent with a change in the spin structure of the ground state at 2/3 filling, but do not provide a simple picture of the quasiparticle excitation process. As yet we find no similar effect for the =2/5 state.",

author = "Eisenstein, {J. P.} and Stormer, {H. L.} and Pfeiffer, {L. N.} and West, {K. W.}",

year = "1990",

doi = "10.1103/PhysRevB.41.7910",

language = "English (US)",

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pages = "7910--7913",

journal = "Physical Review B",

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T1 - Evidence for a spin transition in the =2/3 fractional quantum Hall effect

AU - Eisenstein, J. P.

AU - Stormer, H. L.

AU - Pfeiffer, L. N.

AU - West, K. W.

PY - 1990

Y1 - 1990

N2 - Magnetotransport measurements on a low-density two-dimensional electron system have revealed a re-entrant dependence of the activation energy on magnetic field for the fractional quantum Hall state at 2/3 filling of the lowest Landau level. The data are consistent with a change in the spin structure of the ground state at 2/3 filling, but do not provide a simple picture of the quasiparticle excitation process. As yet we find no similar effect for the =2/5 state.

AB - Magnetotransport measurements on a low-density two-dimensional electron system have revealed a re-entrant dependence of the activation energy on magnetic field for the fractional quantum Hall state at 2/3 filling of the lowest Landau level. The data are consistent with a change in the spin structure of the ground state at 2/3 filling, but do not provide a simple picture of the quasiparticle excitation process. As yet we find no similar effect for the =2/5 state.

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JO - Physical Review B

JF - Physical Review B

IS - 11

ER -

Evidence for a spin transition in the =2/3 fractional quantum Hall effect

Abstract

All Science Journal Classification (ASJC) codes

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