Consistent HTL resummation of the thermodynamical potential
A. Peshier
TL;DR
This paper presents a gauge-independent, nonperturbative HTL resummation method for the thermodynamical potential in relativistic gauge theories, exemplified with hot QED, ensuring consistency with perturbative results.
Contribution
It introduces a consistent HTL resummation framework for the thermodynamical potential that is gauge independent and free of thermal divergences, applicable to relativistic gauge theories.
Findings
Resummation is gauge independent
Resummation is free of thermal divergences
Compatible with leading order perturbative results
Abstract
The thermodynamical potential of relativistic gauge theories can be consistently resummed in terms of HTL propagators, which is, without being restricted to it, exemplified for the case of hot QED. The nonperturbative resummation is gauge independent, free of thermal divergences and, in the weak-coupling limit, compatible with the leading order perturbative result.
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Taxonomy
TopicsQuantum, superfluid, helium dynamics · Quantum and electron transport phenomena · Organic and Molecular Conductors Research