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4 papers · 2 filters
Small and hollow magnetic monopoles
D. Bazeia, M. A. Marques, Gonzalo J. Olmo
We deal with the presence of magnetic monopoles in a non Abelian model that generalizes the standard 't~Hooft-Polyakov model in three spatial dimensions. We investigate the energy…
Novel connection between lump-like structures and quantum mechanics
D. Bazeia, L. Losano, Gonzalo J. Olmo
This work deals with lump-like structures in models described by a single real scalar field in two-dimensional spacetime. We start with a model that supports lump-like configuratio…
Pair creation in electric fields, anomalies, and renormalization of the electric current
Antonio Ferreiro, Jose Navarro-Salas
We investigate the Schwinger pair production phenomena in spatially homogeneous strong electric fields. We first consider scalar QED in four-dimensions and discuss the potential am…
Magnetic contributions in Bekenstein type models
Lucila Kraiselburd, Florencia L. Castillo, Mercedes E. Mosquera +1
In this work we analyze the spatial and time variation of the fine structure constant (α) upon the theoretical framework developed by Bekenstein [1]. We have computed the field ψre…