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Determinant Representation for Correlation Functions of Exactly Solvable Models
by
Vladimir E. Korepin
State University of New York at Stony Brook
In order to obtain closed expression for quantum correlation function we introduce auxiliary Fock space and auxiliary Bose fields [dual fields]. They remove two-body scattering and reduce the model to free fermionic. This helps to obtain determinant representation . This representation is useful for calculation of long distance asymptotics. This is the only one method of evaluation of asymptotic of time and temperature dependent correlation function. No other method can do that.
Date received: December 22, 1997
Copyright © 1997 by the author(s). The author(s) of this document and the organizers of the conference have granted their consent to include this abstract in Atlas Conferences Inc. Document # caaw-03.