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Correlation functions of the XXZ spin-1/2 Heisenberg chain at the free fermion point from their multiple integral representations

N. Kitanine, J. M. Maillet, N. A. Slavnov, V. Terras

Published 2002-03-19Version 1

Using multiple integral representations, we derive exact expressions for the correlation functions of the spin-1/2 Heisenberg chain at the free fermion point.

Comments: 24 pages, LaTex
Journal: Nucl.Phys. B642 (2002) 433-455
Categories: hep-th, cond-mat, nlin.SI
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