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Field theory of the quantum Hall nematic transition by Maciejko, J.; Hsu, B.; Kivelson, S. A.; Park, YeJe; Sondhi, S. L. is a scholarly article available to read on EtoBox.

What is Field theory of the quantum Hall nematic transition about?

The topological physics of quantum Hall states is efficiently encoded in purely topological quantum field theories of the Chern-Simons type. The reliable inclusion of low-energy dynamical properties in a continuum description however typically requires proximity to a quantum critical point. We construct a field theory that describes the quantum transition from an isotropic to a nematic Laughlin liquid. The soft mode associated with this transition approached from the isotropic side is identified as the familiar intra-Landau level Girvin-MacDonald-Platzman mode. We obtain z=2 dynamic scaling at the critical point and a description of Goldstone and defect physics on the nematic side. Despite the very different physical motivation, our field theory is essentially identical to a recent "geometric" field theory for a Laughlin liquid proposed by Haldane.

Author

Maciejko, J.; Hsu, B.; Kivelson, S. A.; Park, YeJe; Sondhi, S. L.

Published

2013

Language

EN