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INTEGRO-DIFFERENCE EQUATION FOR A CORRELATION-FUNCTION OF THE SPIN-1/2 HEISENBERG XXZ CHAIN

Abstract:
We consider the Ferromagnetic-String-Formation-Probability correlation function (FSFP) for the spin- 1 2 Heisenberg XXZ chain. We construct a, completely integrable system of integro-difference equations (IDE), which has the FSFP as a, τ-function. We derive the associated Riemann-Hilbert problem and obtain the long-distance asymptotics of the FSFP correlator in some limiting cases. © 1995.
Publication status:
Published

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Theoretical Physics
Role:
Author
Journal:
NUCLEAR PHYSICS B
Volume:
446
Issue:
3
Pages:
448-460
Publication date:
1995-07-24
DOI:
ISSN:
0550-3213
URN:
uuid:eaf3be6f-da5f-44a0-b1a9-51bcd8d0487b
Source identifiers:
199374
Local pid:
pubs:199374

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