Soft Thermal Loops in Scalar Quantum Electrodynamics
Stefan Leupold, Markus H. Thoma
TL;DR
This paper investigates thermal field theory in scalar QED by calculating the photon self-energy beyond the Hard Thermal Loop approximation, providing insights into thermal corrections at specific momentum scales.
Contribution
It introduces a method to compute the photon self-energy in scalar QED beyond the standard Hard Thermal Loop resummation scheme.
Findings
Photon self-energy calculated for momenta of order e^2T
Extended understanding of thermal corrections in scalar QED
Provides a basis for improved thermal field theory approximations
Abstract
Scalar QED is used to study approximations in thermal field theory beyond the Hard Thermal Loop resummation scheme. For this purpose the photon self energy is calculated for external momenta of the order e^2T using Hard Thermal Loop resummed Green functions.
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