Observation of a spin-polarization instability in tilted magnetic fields

S. Koch; R. J. Haug; K. von Klitzing; M. Razeghi

doi:10.1016/0921-4526(93)90324-Y

Observation of a spin-polarization instability in tilted magnetic fields

S. Koch^*
, R. J. Haug
, K. von Klitzing
, M. Razeghi

^*Corresponding author for this work

Research output: Contribution to journal › Article › Research › peer review

Abstract

We report evidence for a phase transition between a spin-unpolarized state and a spin-polarized state in a two-dimensional electron gas in tilted magnetic fields. This effect is revealed in the magnetoresistance at mK temperatures, where the coincidence of the spin-resolved Landau levels N = 1 ↑ and N = 0 ↓ completely vanishes in samples of sufficiently high mobility, as predicted in recent theoretical studies. The effect is ascribed to electron-electron interactions.

Original language	English
Pages (from-to)	76-80
Number of pages	5
Journal	Physica B: Physics of Condensed Matter
Volume	184
Issue number	1-4
DOIs	https://doi.org/10.1016/0921-4526(93)90324-Y
Publication status	Published - Feb 1993
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

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10.1016/0921-4526(93)90324-Y

Cite this

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title = "Observation of a spin-polarization instability in tilted magnetic fields",

abstract = "We report evidence for a phase transition between a spin-unpolarized state and a spin-polarized state in a two-dimensional electron gas in tilted magnetic fields. This effect is revealed in the magnetoresistance at mK temperatures, where the coincidence of the spin-resolved Landau levels N = 1 ↑ and N = 0 ↓ completely vanishes in samples of sufficiently high mobility, as predicted in recent theoretical studies. The effect is ascribed to electron-electron interactions.",

author = "S. Koch and Haug, \{R. J.\} and \{von Klitzing\}, K. and M. Razeghi",

year = "1993",

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doi = "10.1016/0921-4526(93)90324-Y",

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T1 - Observation of a spin-polarization instability in tilted magnetic fields

AU - Koch, S.

AU - Haug, R. J.

AU - von Klitzing, K.

AU - Razeghi, M.

PY - 1993/2

Y1 - 1993/2

N2 - We report evidence for a phase transition between a spin-unpolarized state and a spin-polarized state in a two-dimensional electron gas in tilted magnetic fields. This effect is revealed in the magnetoresistance at mK temperatures, where the coincidence of the spin-resolved Landau levels N = 1 ↑ and N = 0 ↓ completely vanishes in samples of sufficiently high mobility, as predicted in recent theoretical studies. The effect is ascribed to electron-electron interactions.

AB - We report evidence for a phase transition between a spin-unpolarized state and a spin-polarized state in a two-dimensional electron gas in tilted magnetic fields. This effect is revealed in the magnetoresistance at mK temperatures, where the coincidence of the spin-resolved Landau levels N = 1 ↑ and N = 0 ↓ completely vanishes in samples of sufficiently high mobility, as predicted in recent theoretical studies. The effect is ascribed to electron-electron interactions.

UR - https://www.scopus.com/pages/publications/0027544203

U2 - 10.1016/0921-4526(93)90324-Y

DO - 10.1016/0921-4526(93)90324-Y

M3 - Article

AN - SCOPUS:0027544203

SN - 0921-4526

VL - 184

SP - 76

EP - 80

JO - Physica B: Physics of Condensed Matter

JF - Physica B: Physics of Condensed Matter

IS - 1-4

ER -

Observation of a spin-polarization instability in tilted magnetic fields

Abstract

ASJC Scopus subject areas

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