Unified hydrodynamics theory of the lowest Landau level

Physical Review B 74, 35333 (2006)

Unified hydrodynamics theory of the lowest Landau level

I. V. Tokatly

We propose a hydrodynamics theory of collective quantum Hall states, which describes incompressible liquids, hexatic liquid crystals, a bubble solid, and Wigner crystal states within a unified framework. The structure of the theory is uniquely determined by the space-time symmetry, and a symmetry with respect to static shear deformations. In agreement with recent experiments the theory predicts two gapped collective modes for incompressible liquids. We argue that the presence of the above two modes is a universal property of a magnetized two-dimensional collective liquid.

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http://dx.doi.org/10.1103/PhysRevB.74.035333

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