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Dual field approach to correlation functions in the Heisenberg xxz spin Chain

Abstract:
We study zero temperature correlation functions of the spin-$1\over 2$ Heisenberg XXZ model in the critical regime $-1< \Delta\leq 1$ in a magnetic field by means of the {\tenit Dual Field Approach}. We show for one particular example how to derive determinant representations for correlation functions and how to use these to embed the correlation functions in integrable systems of integro-difference equations (IDE). These IDE are associated with a Riemann-Hilbert problem.
Publication status:
Published
Peer review status:
Peer reviewed
Version:
Author's Original

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Theoretical Physics
Korepin, VE More by this author
Publisher:
World Scientific Publishing Company Inc. Publisher's website
Publication date:
1995-12-05
EISBN:
978-9810220655
URN:
uuid:e97dcb0d-4441-4c51-a765-67c35a5d7700
Source identifiers:
499773
Local pid:
pubs:499773
ISBN:
9810220650
Keywords:

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