Publikace ÚTF

Scalar Hairy Black Holes in the presence of Nonlinear Electrodynamics

Tahamtan, T.

We study influence of scalar fields on nonlinear electrodynamics spacetimes. The investigation is carried
out using both test and gravitating scalar fields. After revisiting Einstein–Maxwell scalar field solutions we
focus on analytic investigation of nonlinear electrodynamics scalar field spacetimes, especially the square root
Lagrangian model. The main motivation being to understand whether certain specific signatures of scalar
fields are preserved when nonlinear electrodynamics as an additional source is considered. We show that the
regularity of horizon which is spoiled by scalar field in spherically symmetric static scalar-vacuum spacetimes
is not improved by including nonlinear electrodynamics or other sources satisfying certain condition. We
confirm these findings using test scalar field that enables us to go beyond spherical symmetry.
type:article
journal:Phys. Rev. D
volume:101
pages:124023
year:2020
eprint: arxiv:2006.02810
files:
scalar hairy black holes in the presence of nonlinear electrodynamics.pdf (235.7 kB)

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