Unlocking Transition for Modulated Surfaces and Quantum Hall Stripes

Details Unlocking Transition for Modulated Surfaces and Quantum Hall Stripes Unlocking Transition for Modulated Surfaces and Quantum Hall Stripes

1999-03-29

arxiv.org/abs/cond-mat/9903417v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

5 pages, 2 figures. To appear in Physical Review Letters

Scientific paper

10.1103/PhysRevLett.82.3693

We develop a sine-Gordon model of layered systems of two-dimensional modulated surfaces and one dimensional stripes, and demonstrate that these systems can undergo a Kosterlitz-Thouless transition in which the modulations unlock as a result of thermal or quantum fluctuations, respectively. The unlocked phase is interpreted as an anisotropic crystal in which soliton-antisoliton pairs proliferate. The properties of such a state for modulated stripes in quantum Hall systems and its possible relevance to recent anomalies in transport data are discussed.

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