Catalysis and inverse electric catalysis in a scalar theory

Abstract

In this article we explore the phase diagram associated to the symmetry breaking of a scalar self interacting theory, induced by temperature and the presence of an external electric field. For such purpose, first we obtain the boson propagator, in the presence of a constant external electric field, both in the weak and strong field strength limits. Novel expansions are derived for the effective potential, valid for the whole range of temperature. We found inverse electric catalysis for the weak field region, i.e. a situation where the critical temperature diminishes as function of the strength of the electric field whereas for a strong field electric catalysis emerges. These behaviors, in the weak and strong intensity sectors, are valid for all possible values of temperature.

Typos has been corrected and new references added. A new appendix has been introduced. Accepted for publication in Phys. Rev. D

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Cited by in corpus (5)

• Renormalons in a scalar self interacting theory: thermal, thermomagnetic and thermoelectric corrections for all values of temperature
• Quark matter under strong electric fields in the Linear Sigma Model coupled with quarks
• Charged scalars at finite electric field and temperature in the optimized perturbation theory
• Boundary conditions and electromagnetic effects on the phase transition of a zero spin bosonic system
• On electric fields in hot QCD: infrared regularization dependence