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Metastable phase in the quantum Hall ferromagnet

Piazza, Vincenzo, Pellegrini, Vittorio, 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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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 > Alumni or Retired Professors > Group Werner Wegscheider
Identification Number:
73.43.-f; 73.21.-b; 75.60.-dPACS
Keywords:A. Bilayer system; D. Quantum Hall; D. Quantum phase transition; D. Metastable phase
Dewey Decimal Classification:500 Science > 530 Physics
Created at the University of Regensburg:Unknown
Item ID:11491
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