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QCD sum rules at finite temperature |
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| Authors: | C. A. Dominguez M. Loewe |
| Affiliation: | 1. Institute of Theoretical Physics and Astrophysics, University of Cape Town, Rondebosch 7700, Cape, RSA 2. Facultad de Física, Pontifica Universidad Católica de Chile, Santiago, Chile |
| Abstract: | Finite energy and Laplace transform QCD sum rules atT  0 are analyzed, and predictions for vacuum condensates are compared with the low temperature expansion of the energy density and pressure. Results show a serious disagreement which indicates a breakdown of the FESR programme already at dimension four, and which invalidates Laplace transform sum rules, at least in their straightforward extension to finite temperature. |
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