Fractional Statistics in One-Dimension: View From An Exactly Solvable Model

Abstract

One-dimensional fractional statistics is studied using the Calogero-Sutherland model (CSM) which describes a system of non-relativistic quantum particles interacting with inverse-square two-body potential on a ring. The inverse-square exchange can be regarded as a pure statistical interaction and this system can be mapped to an ideal gas obeying the fractional exclusion and exchange statistics. The details of the exact calculations of the dynamical correlation functions for this ideal system is presented in this paper. An effective low-energy one-dimensional ``anyon'' model is constructed; and its correlation functions are found to be in agreement with those in the CSM; and this agreement provides an evidence for the equivalence of the first- and the second-quantized construction of the 1D anyon model at least in the long wave-length limit. Furthermore, the finite-size scaling applicable to the conformally invariant systems is used to obtain the complete set of correlation exponents for the CSM.

42 Revtex pages + 5 separate postscript figures + Some minor corrections

References in corpus (5)

• Exchange Operator Formalism for Integrable Systems of Particles
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• On Models with Inverse-Square Exchange
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