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math-ph2025
Perturbative algebraic quantum field theory and beyond
Romeo Brunetti, Klaus Fredenhagen, Kasia Rejzner
In this review, we summarize the main ideas of perturbative algebraic quantum field theory, which is a rigorous framework combining some of the Haag-Kastler axioms with perturbativ…
math-ph2025
Thermodynamical aspects of fermions in external electromagnetic fields
Romeo Brunetti, Klaus Fredenhagen, Nicola Pinamonti
The thermodynamics of Dirac fields under the influence of external electromagnetic fields is studied. For perturbations which act only for finite time, the influence of the perturb…