A comment on finite temperature correlations in integrable QFT

I discuss and extend the recent proposal of Leclair and Mussardo for finite temperature correlation functions in integrable QFTs. I give further justification for its validity in the case of one-point functions of conserved quantities. I also argue that the proposal is not correct for two- (and high...

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Bibliographic Details
Published in:Nuclear physics. B 2000-02, Vol.567 (3), p.602-610
Main Author: Saleur, H.
Format: Article
Language:English
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Summary:I discuss and extend the recent proposal of Leclair and Mussardo for finite temperature correlation functions in integrable QFTs. I give further justification for its validity in the case of one-point functions of conserved quantities. I also argue that the proposal is not correct for two- (and higher-) point functions, and give some counterexamples to justify that claim.
ISSN:0550-3213
1873-1562
DOI:10.1016/S0550-3213(99)00665-3