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Article
Report number	hep-th/9301115 ; CERN-TH-6784-93 ; CERN-TH-6784-93
Title	Symmetry aspects and finite-size scaling of quantum Hall fluids
Author(s)	Cappelli, Andrea (CERN) ; Dunne, Gerald V. (Connecticut U.) ; Trugenberger, Carlo A. (CERN) ; Zemba, Guillermo R. (CERN)
Publication	1993
Imprint	Jan 1993
Number of pages	16
In:	Nucl. Phys. B, Proc. Suppl. 33C (1993) 21-34
In:	2nd Chia Meeting on Common Trends in Condensed Matter and High-Energy Physics, Chia, Italy, 6 - 13 Sep 1992, pp.21-34
DOI	10.1016/0920-5632(93)90369-H
Subject category	Particle Physics - Theory
Abstract	The exactness and universality observed in the quantum Hall effect suggests the existence of a symmetry principle underlying Laughlin's theory. We review the role played by the infinite $W_{\infty }$ and conformal algebras as dynamical symmetries of incompressible quantum fluids and show how they predict universal finite-size effects in the excitation spectrum.

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