Wormhole phase in the RST model

Details Wormhole phase in the RST model Wormhole phase in the RST model

2004-04-22

arxiv.org/abs/gr-qc/0404098v2

JHEP 0408:006,2004

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

v1. REVTeX3, 12 pages and 1 figure; v2. JHEP3, 10 pages and 1 figure, version published in JHEP

Scientific paper

10.1088/1126-6708/2004/08/006

We show that the RST model describing the exactly soluble black hole model can have a dynamical wormhole solution along with an appropriate boundary condition. The necessary exotic matter which is usually negative energy density is remarkably produced by the quantization of the infalling matter fields. Then the asymptotic geometry in the past is two-dimensional anti-de Sitter(AdS$_2$), which implies the exotic matter is negative. As time goes on, the wormhole eventually evolves into the black hole and its Hawking radiation appears. The throat of the static RST wormhole is lower-bounded but in the presence of infalling matter it collapses to a black hole.

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