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Quantum Hall effect from soliton equation

Hideaki Hiro-Oka, Satoru Saito

hep-tharXiv:hep-th/9312142

Abstract

The Laughlin function of quantum Hall effect is shown to satisfy Hirota's bilinear difference equation with certain coefficients a little different from the KP hierarchy. Vertex operators which constitute blocks of solutions generate a Bäcklund transformation. Besides the Laughlin function, the equation admits soliton solutions.

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