Universe (Jul 2023)

De Sitter-Invariant Black Holes

  • Diego F. López,
  • Salman Abarghouei Nejad,
  • José G. Pereira

DOI
https://doi.org/10.3390/universe9070333
Journal volume & issue
Vol. 9, no. 7
p. 333

Abstract

Read online

In the de Sitter-invariant approach to gravitation, all solutions to the gravitational field equations are spacetimes that reduce locally to de Sitter. Consequently, besides including a Schwarzschild event horizon, the de Sitter-invariant black hole also has a de Sitter cosmic horizon. Accordingly, it can lodge matter and dark energies. Owing to this additional structure concerning Poincaré-invariant general relativity, such a black hole can establish a link between the black hole dynamics and the universe’s evolution. Possible implications for cosmology are discussed, and a comparison with recent observations indicating the existence of a cosmological coupling of black holes is presented.

Keywords