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Journal Articles Journal of Statistical Mechanics: Theory and Experiment Year : 2011

Long-distance behavior of temperature correlation functions in the one-dimensional Bose gas

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Abstract

We describe a Bethe ansatz based method to derive, starting from a multiple integral representation, the long-distance asymptotic behavior at finite temperature of the density-density correlation function in the interacting one-dimensional Bose gas. We compute the correlation lengths in terms of solutions of non-linear integral equations of the thermodynamic Bethe ansatz type. Finally, we establish a connection between the results obtained in our approach with the correlation lengths stemming from the quantum transfer matrix method.

Dates and versions

ensl-00544292 , version 1 (07-12-2010)

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K. K. Kozlowski, J. M. Maillet, N. A. Slavnov. Long-distance behavior of temperature correlation functions in the one-dimensional Bose gas. Journal of Statistical Mechanics: Theory and Experiment, 2011, ⟨10.1088/1742-5468/2011/03/P03018⟩. ⟨ensl-00544292⟩
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