2D dilaton-gravity from 5D Einstein equations

Details 2D dilaton-gravity from 5D Einstein equations 2D dilaton-gravity from 5D Einstein equations

1993-07-09

arxiv.org/abs/gr-qc/9307007v2

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

9, IMAFF-Rc-04-93#

Scientific paper

A semiclassical two-dimensional dilaton-gravity model is obtained by dimensional reduction of the spherically symmetric five-dimensional Einstein equations and used to investigate black hole evaporation. It is shown that this model prevents the formation of naked singularity and allows spacetime wormholes to contribute the process of formation and evaporation of black holes.

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