Regular black holes and black universes

Details Regular black holes and black universes Regular black holes and black universes

2006-11-03

arxiv.org/abs/gr-qc/0611022v2

Gen.Rel.Grav.39:973-987,2007

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

13 pages, 1 figure. 6 referenses and some discussion added, misprints corrected

Scientific paper

10.1007/s10714-007-0430-6

We give a comparative description of different types of regular static, spherically symmetric black holes (BHs) and discuss in more detail their particular type, which we suggest to call black universes. The latter have a Schwarzschild-like causal structure, but inside the horizon there is an expanding Kantowski-Sachs universe and a de Sitter infinity instead of a singularity. Thus a hypothetic BH explorer gets a chance to survive. Solutions of this kind are naturally obtained if one considers static, spherically symmetric distributions of various (but not all) kinds of phantom matter whose existence is favoured by cosmological observations. It also looks possible that our Universe has originated from phantom-dominated collapse in another universe and underwent isotropization after crossing the horizon. An explicit example of a black-universe solution with positive Schwarzschild mass is discussed.

Affiliated with

Also associated with

No associations

Rating

Regular black holes and black universes does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Regular black holes and black universes, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Regular black holes and black universes will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-163802