Power-law mass inflation in Einstein-Yang-Mills-Higgs black holes
D.V. Gal'tsov, E.E. Donets

TL;DR
This paper derives analytical formulas describing a power-law mass inflation singularity inside static spherically symmetric black holes in Einstein-Yang-Mills-Higgs theories, revealing new insights into their internal structure.
Contribution
It introduces analytical descriptions of a generic spacelike singularity with power-law mass inflation in Einstein-Yang-Mills-Higgs black holes, expanding understanding of their internal dynamics.
Findings
Singularity is spacelike and exhibits power-law mass inflation.
Analytical formulas describe the generic singularity inside these black holes.
Alternative interpretation as a pointlike singularity with shear in cosmology.
Abstract
Analytical formulas are presented describing a generic singularity inside the static spherically symmetric black holes in the SU(2) Einstein-Yang-Mills-Higgs theories with triplet or doublet Higgs field. The singularity is spacelike and exhibits a `power-low mass inflation'. Alternatively this asymptotic may be interpreted as a pointlike singularity with a non-vanishing shear in the Kantowski-Sachs anisotropic cosmology.
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