$e^{+}e^{-}\to l^{+}l^{-}$ scattering at finite temperature in the presence of a classical background magnetic field

A. F. Santos; D. S. Cabral

$e^{+}e^{-}\to l^{+}l^{-}$ scattering at finite temperature in the presence of a classical background magnetic field

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arxiv 2402.01457 v1 pith:B7SHZIRD submitted 2024-02-02 hep-ph hep-th

D. S. Cabral , A. F. Santos This is my paper · ORCID

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keywords fieldtemperaturechemicaleffectsexternalmagneticpotentialscattering

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abstract

In this work the $e^{+}e^{-}\to l^{+}l^{-}$ scattering process is investigated. The cross-section is calculated considering three different effects: temperature, external magnetic field and chemical potential. The effect due to an external field is inserted into the problem through a redefinition of the fermionic field operator. Effects due to temperature and chemical potential are introduced using the Thermo Field Dynamics formalism.

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Bhabha-like scattering in the Rarita-Schwinger model at finite temperature
hep-th 2024-12 reject novelty 4.0 of 10

For a massive Rarita-Schwinger spin-3/2 fermion coupled to photons, the tree-level Bhabha-like differential cross-section is derived at finite temperature, with a claimed T squared high-temperature growth.

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