Beyond Hawking evaporation of black holes formed by dark matter in compact stars

The memory burden effect is an explicit resolution to the information paradox by which an evaporating black hole acquires quantum hair, which then suppresses its rate of mass loss with respect to the semiclassical Hawking rate. We show that this has significant implications for particle dark matter that captures in neutron stars and forms black holes that go on to consume the host star. In particular, we show that constraints on the nucleon scattering cross section and mass of spin-0 and spin-<a:math xmlns:a="http://www.w3.org/1998/Math/MathML" display="inline"><a:mrow><a:mn>1</a:mn><a:mo>/</a:mo><a:mn>2</a:mn></a:mrow></a:math> dark matter would be extended by several orders of magnitude.

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Publication Details

Journal
Physical review. D/Physical review. D.
Published
2025-02-13
DOI
https://doi.org/10.1103/physrevd.111.l041306
Citations
16
Primary Topic
Cosmology and Gravitation Theories
Type
article
Field-Weighted Citation Impact
18.48

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article

Beyond Hawking evaporation of black holes formed by dark matter in compact stars

Anupam Ray, Nirmal Raj, Ujjwal Basumatary
16 citations
Physical review. D/Physical review. D.
Cosmology and Gravitation Theories
18.48
article

Beyond Hawking evaporation of black holes formed by dark matter in compact stars

Anupam Ray, Nirmal Raj, Ujjwal Basumatary
article en
16 citations

Abstract

The memory burden effect is an explicit resolution to the information paradox by which an evaporating black hole acquires quantum hair, which then suppresses its rate of mass loss with respect to the semiclassical Hawking rate. We show that this has significant implications for particle dark matter that captures in neutron stars and forms black holes that go on to consume the host star. In particular, we show that constraints on the nucleon scattering cross section and mass of spin-0 and spin-<a:math xmlns:a="http://www.w3.org/1998/Math/MathML" display="inline"><a:mrow><a:mn>1</a:mn><a:mo>/</a:mo><a:mn>2</a:mn></a:mrow></a:math> dark matter would be extended by several orders of magnitude.

Physical review. D/Physical review. D.Vol. 111(4)
Indian Institute of Science Bangalore (IN), University of California, Berkeley (US)
National Science Foundation, Heising-Simons Foundation
Openalex Percentile: Top 1%
Cosmology and Gravitation Theories
18.48
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