Holography and black holes in asymptotically flat FLRW spacetimes

Rojo, Martin Enriquez und Heckelbacher, Till (2021): Holography and black holes in asymptotically flat FLRW spacetimes. In: Physical Review D, Bd. 103, Nr. 10, 104035

Abstract

In this paper, we extend the treatment of asymptotically decelerating spatially flat Friedmann-Lemaitre-Robertson-Walker (FLRW) spacetimes initiated in [M. E. Rojo and T. Heckelbacher, Phys. Rev. D 103, 064009 (2021).]. We show that a certain class of those metrics is ruled by the asymptotic algebra bms(s), which belongs to a one-parameter family of deformations of bms. Furthermore, we enlarge our ansatz to include Diff(S-2) transformations whose asymptotic algebra gbms(s) is a one-parameter deformation of gbms. Therefore, the holographic algebras bms(s) and gbmss in FLRW can be related to their flat counterparts through a cosmological holographic flow. Finally, we introduce a logarithmic ansatz in order to account for cosmological black holes, which does not generally satisfy the peeling property but preserves the asymptotic algebra.

• Dokumententyp: Zeitschriftenartikel
• Fakultät: Physik
• Themengebiete: 500 Naturwissenschaften und Mathematik > 530 Physik
• ISSN: 2470-0010
• Sprache: Englisch