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Metastable phase in the quantum Hall ferromagnet

Piazza, Vincenzo and Pellegrini, Vittorio and Beltram, Fabio and Wegscheider, Werner (2003) Metastable phase in the quantum Hall ferromagnet. Solid State Communications 127 (2), pp. 163-168.

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Abstract

Time-dependent capacitance measurements reveal an unstable phase of electrons in gallium arsenide quantum well that occurs when two Landau levels with opposite-spin are brought close to degeneracy by applying a gate voltage. This phase emerges below a critical temperature and displays a peculiar non-equilibrium dynamical evolution. The relaxation dynamics is found to follow a ...

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Item Type:Article
Date:July 2003
Institutions:Physics > Institute of Experimental and Applied Physics > Retired Professors > Group Werner Wegscheider
Identification Number:
ValueType
10.1016/S0038-1098(03)00317-XDOI
Classification:
NotationType
73.43.-f; 73.21.-b; 75.60.-dPACS
Keywords:A. Bilayer system; D. Quantum Hall; D. Quantum phase transition; D. Metastable phase
Subjects:500 Science > 530 Physics
Status:Published
Refereed:Unknown
Created at the University of Regensburg:Unknown
Owner: Martin Kaiser
Deposited On:15 Dec 2009 08:52
Last Modified:05 Feb 2010 13:02
Item ID:11491
Owner Only: item control page
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