String correlation functions of the spin-1/2 Heisenberg XXZ chain
Date
2007
Authors
Bortz, Michael
Sato, Jun
Shiroishi, Masahiro
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IOP Electronic Journals
Abstract
We calculate certain string correlation functions, originally introduced as order parameters in integer spin chains, for the spin-1/2 XXZ Heisenberg chain at zero temperature and in the thermodynamic limit. For small distances, we obtain exact results from Bethe Ansatz and exact diagonalization, whereas in the large-distance limit, field-theoretical arguments yield an asymptotic algebraic decay. We also make contact with two-point spin-correlation functions in the asymptotic limit.
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Journal of Physics A: Mathematical and Theoretical
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Journal article
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2037-12-31
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