2 papers
hep-th2026
On the stability of Born-Infeld-regularised electroweak monopoles
N E Mavromatos, Sarben Sarkar
The Cho-Maison monopole provides a monopole solution of the electroweak field equations, but possesses an infinite classical energy due to the Maxwell form of the hypercharge secto…
gr-qc2025
Superradiant Axionic Black-Hole Clouds as Seeds for Graviton Squeezing
Panagiotis Dorlis, Nick E. Mavromatos, Sarben Sarkar +1
It is shown that both, standard general relativity (GR) and Chern-Simons (CS) gravity, the latter containing chiral gravitational anomaly terms, seed the production of pairs of ent…