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Eom, J. ; Cho, Hyun-Ick ; Kang, W. ; Gossard, A. C. ; Wegscheider, Werner

Spin transition and anomalous domain dynamics in the fractional quantum Hall effect

Eom, J., Cho, Hyun-Ick, Kang, W., Gossard, A. C. and Wegscheider, Werner (2001) Spin transition and anomalous domain dynamics in the fractional quantum Hall effect. Physical Review B 298 (1-4), pp. 106-112.

Date of publication of this fulltext: 30 Nov 2009 14:09
Article
DOI to cite this document: 10.5283/epub.11187


Abstract

Experiments on a nearly spin degenerate two-dimensional electron system reveals unusual hysteretic and relaxational transport in the fractional quantum Hall effect (FQHE) regime. The magnetotransport near the transition between the spin-polarized and spin-unpolarized Image states is accompanied by a complicated series of hysteresis loops reminiscent of a classical ferromagnet. In conjunction with ...

Experiments on a nearly spin degenerate two-dimensional electron system reveals unusual hysteretic and relaxational transport in the fractional quantum Hall effect (FQHE) regime. The magnetotransport near the transition between the spin-polarized and spin-unpolarized Image states is accompanied by a complicated series of hysteresis loops reminiscent of a classical ferromagnet. In conjunction with the hysteresis, magnetoresistance can either grow or decay logarithmically in time with remarkable persistence without saturation. These results can be understood in terms of anomalous domain dynamics associated with the spin transition or alternatively in terms of quantum Hall ferromagnet.



Involved Institutions


Details

Item typeArticle
Journal or Publication TitlePhysical Review B
Publisher:American Physical Society
Volume:298
Number of Issue or Book Chapter:1-4
Page Range:pp. 106-112
DateApril 2001
InstitutionsPhysics > Institute of Experimental and Applied Physics > Alumni or Retired Professors > Group Werner Wegscheider
Identification Number
ValueType
10.1016/S0921-4526(01)00283-6DOI
KeywordsMagnetic field; Semiconductors; Fractional quantum Hall effect
Dewey Decimal Classification500 Science > 530 Physics
StatusPublished
RefereedUnknown
Created at the University of RegensburgUnknown
Item ID11187

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