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arXiv · hep-ph/9409269

Higher Order Corrections to the Equation of State of QED at High Temperature

Rajesh Parwani·Claudio Coriano`
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Abstract

We elaborate on the computation of the pressure of thermal quantum electrodynamics, with massless electrons, to the fifth ($e^5$) order. The calculation is performed within the Feynman gauge and the imaginary-time formalism is employed. For the $e^4$ calculation, the method of Sudakov decomposition is used to evaluate some ultraviolet finite integrals which have a collinear singularity. For the $e^5$ contribution, we give an alternative derivation and extend the discussion to massive electrons and nonzero chemical potential. Comments are made on expected similarities and differences for prospective three-loop calculations in QCD.

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Rajesh Parwani, Claudio Coriano`. 1994-09-09. Higher Order Corrections to the Equation of State of QED at High Temperature. https://doi.org/10.1016/0550-3213(94)00484-v

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