Soliton Induced Singularities in 2 d Gravity and their Evaporation

Details Soliton Induced Singularities in 2 d Gravity and their Evaporation Soliton Induced Singularities in 2 d Gravity and their Evaporation

1994-04-24

arxiv.org/abs/gr-qc/9504037v2

Class.Quant.Grav.12:2607-2618,1995

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

15 pages (37.7 kb), PHYZZX. Figures available from authors.

Scientific paper

10.1088/0264-9381/12/10/017

Positive energy singularities induced by Sine-Gordon solitons in 1+1 dimensional dilaton gravity with positive and negative cosmological constant are considered. When the cosmological constant is positive, the singularities combine a white hole, a timelike singularity and a black hole joined smoothly near the soliton center. When the cosmological constant is negative, the solutions describe two timelike singularities joined smoothly near the soliton center. We describe these spacetimes and examine their evaporation in the one loop approximation.

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