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29 March 2024
 
  » arxiv » cond-mat/0111049

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Quantum Hall Liquid Crystals
Michael M. Fogler ;
Date 3 Nov 2001
Journal Int. J. Mod. Phys. B 16, 2924 (2002)
Subject Mesoscopic Systems and Quantum Hall Effect | cond-mat.mes-hall
AffiliationMIT
AbstractIn this report we summarize a recent progress in exploration of correlated two-dimensional electron states in partially filled high Landau levels. At a mean-field Hartree-Fock level they can be described as charge-density waves, either unidirectional (stripes) or with the symmetry of the triangular lattice (bubbles). Thermal and quantum fluctuations have a profound effect on the stripe density wave and give rise to novel phases, which are quite similar to smectic and nematic liquid crystals. We discuss the effective theories for these phases, their collective modes, and phase transitions between them.
Source arXiv, cond-mat/0111049
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