Spin transition in the half-filled Landau level

L. A. Tracy; J. P. Eisenstein; L. N. Pfeiffer; K. W. West

doi:10.1103/PhysRevLett.98.086801

Spin transition in the half-filled Landau level

L. A. Tracy, J. P. Eisenstein, L. N. Pfeiffer, K. W. West

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Abstract

The transition from partial to complete spin polarization of two-dimensional electrons at half filling of the lowest Landau level has been studied using resistively detected nuclear magnetic resonance (RDNMR). The nuclear spin-lattice relaxation time is observed to be density independent in the partially polarized phase but to increase sharply at the transition to full polarization. At low temperatures the RDNMR signal exhibits a strong maximum near the critical density.

Original language	English (US)
Article number	086801
Journal	Physical review letters
Volume	98
Issue number	8
DOIs	https://doi.org/10.1103/PhysRevLett.98.086801
State	Published - Feb 22 2007
Externally published	Yes

All Science Journal Classification (ASJC) codes

General Physics and Astronomy

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10.1103/PhysRevLett.98.086801

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title = "Spin transition in the half-filled Landau level",

abstract = "The transition from partial to complete spin polarization of two-dimensional electrons at half filling of the lowest Landau level has been studied using resistively detected nuclear magnetic resonance (RDNMR). The nuclear spin-lattice relaxation time is observed to be density independent in the partially polarized phase but to increase sharply at the transition to full polarization. At low temperatures the RDNMR signal exhibits a strong maximum near the critical density.",

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

year = "2007",

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AU - Pfeiffer, L. N.

AU - West, K. W.

PY - 2007/2/22

Y1 - 2007/2/22

N2 - The transition from partial to complete spin polarization of two-dimensional electrons at half filling of the lowest Landau level has been studied using resistively detected nuclear magnetic resonance (RDNMR). The nuclear spin-lattice relaxation time is observed to be density independent in the partially polarized phase but to increase sharply at the transition to full polarization. At low temperatures the RDNMR signal exhibits a strong maximum near the critical density.

AB - The transition from partial to complete spin polarization of two-dimensional electrons at half filling of the lowest Landau level has been studied using resistively detected nuclear magnetic resonance (RDNMR). The nuclear spin-lattice relaxation time is observed to be density independent in the partially polarized phase but to increase sharply at the transition to full polarization. At low temperatures the RDNMR signal exhibits a strong maximum near the critical density.

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Spin transition in the half-filled Landau level

Abstract

All Science Journal Classification (ASJC) codes

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