Order Parameter and Ginzburg-Landau Theory for the Fractional Quantum Hall Effect
- 2 January 1989
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 62 (1) , 86-89
- https://doi.org/10.1103/physrevlett.62.86
Abstract
A new order parameter with a novel broken symmetry is proposed for the fractional quantum Hall effect, with the Laughlin state as the mean-field ground state. The classical Ginzburg-Landau theory of Girvin is derived microscopically from this starting point and exhibits all the phenomenology of the fractional quantum Hall effect.Keywords
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