Two-dimensional black hole physics

Details Two-dimensional black hole physics Two-dimensional black hole physics

Dec 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992phrvd..46.5383f&link_type=abstract

Physical Review D (Particles, Fields, Gravitation, and Cosmology), Volume 46, Issue 12, 15 December 1992, pp.5383-5394

Physics

99

Fundamental Problems And General Formalism, Black Holes

Scientific paper

Two-dimensional black hole solutions of string-motivated two-dimensional (2D) gravity are studied. It is shown that the main results of 4D black hole physics (such as the uniqueness theorems, mass formulas, and thermodynamical analogy) have their counterparts in the 2D case. The existence of static solutions describing black holes with tachyon hairs is proved. It is shown that the entropy of a charged 2D black hole is 2π exp(ΦH), where ΦH is the value of the dilaton field at the black hole horizon.

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