String correlation functions of the spin-1/2 Heisenberg XXZ chain

Date

2007

Authors

Bortz, Michael
Sato, Jun
Shiroishi, Masahiro

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Publisher

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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Citation

Source

Journal of Physics A: Mathematical and Theoretical

Type

Journal article

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Restricted until

2037-12-31