Primordial Black Hole Evolution in Tensor-Scalar Cosmology

1999/05/31 by Ted Jacobson · 12 citations
Physics and Astronomy · #Black Holes and Theoretical Physics #Cosmology and Gravitation Theories #Galaxies: Formation, Evolution, Phenomena #astro-ph #gr-qc #hep-th

paper · pdf · doi:10.1103/physrevlett.83.2699

published as Phys.Rev.Lett. 83 (1999) 2699-2702 · 4 pages, revtex

arxiv created 1999/09/06 · openalex publication_date 1999/10/04 · arxiv updated 2009/11/30 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/30

Abstract

A perturbative analysis shows that black holes do not remember the value of the scalar field \ensuremathφ at the time they formed if \ensuremathφ changes in tensor-scalar cosmology. Moreover, even when the black hole mass in the Einstein frame is approximately unaffected by the changing of \ensuremathφ, in the Jordan-Fierz frame the mass increases. This mass increase requires a reanalysis of the evaporation of primordial black holes in tensor-scalar cosmology. It also implies that there could have been a significant magnification of the (Jordan-Fierz frame) mass of primordial black holes.

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