Next-to-leading-order temperature corrections to correlators in QCD

Abstract

Corrections of order $T^4$ to vector and axial current correlators in QCD at a finite temperature $T<T_c$ are obtained using dispersion relations for the amplitudes of deep inelastic scattering on pions. Their relation with the operator product expansion is presented. An interpretation of the results in terms of $T$-dependent meson masses is given: masses of $\rho$ and $a_1$ start to move with temperature in order $T^4$.

13 pages, no figures, CERN-TH.7215/94, BUTP-94/2

References in corpus (2)

• Weinberg-Type Sum Rules at Zero and Finite Temperature
• Octet Baryons at Finite Temperature: QCD Sum Rules vs. Chiral Symmetry

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