The Free Energy of Hot QED at Fifth Order
classification
✦ hep-ph
hep-th
keywords
orderpressurecontributiondetermineddiagramselectrodynamicsenergyexplicitly
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The order $e^5$ contribution to the pressure of massless quantum electrodynamics at nonzero temperature is determined explicitly. An identity is also obtained relating a gauge-invariant piece of the pressure at order $e^{2n+3} \ (n \ge 1) $ (from diagrams with only one fermion loop) to the pressure at order $e^{2n}$.
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