We investigate the behavior of a noncommutative radiating Schwarzschild black hole. It is shown that coordinate noncommutativity cures usual problems encountered in the description of the terminal phase of black hole evaporation. More in detail, we find that: the evaporation end-point is a zero temperature extremal black hole even in the case of electrically neutral, non-rotating, objects; there exists a finite maximum temperature that the black hole can reach before cooling down to absolute zero; there is no curvature singularity at the origin, rather we obtain a regular de Sitter core at short distance.
Noncommutative geometry inspired Schwarzschild black hole / Piero, Nicolini; Anais, Smailagic; Spallucci, Euro. - In: PHYSICS LETTERS. SECTION B. - ISSN 0370-2693. - STAMPA. - 632/2006:(2006), pp. 547-551. [10.1016/j.physletb.2005.11.004]
Noncommutative geometry inspired Schwarzschild black hole.
SPALLUCCI, EURO;
2006-01-01
Abstract
We investigate the behavior of a noncommutative radiating Schwarzschild black hole. It is shown that coordinate noncommutativity cures usual problems encountered in the description of the terminal phase of black hole evaporation. More in detail, we find that: the evaporation end-point is a zero temperature extremal black hole even in the case of electrically neutral, non-rotating, objects; there exists a finite maximum temperature that the black hole can reach before cooling down to absolute zero; there is no curvature singularity at the origin, rather we obtain a regular de Sitter core at short distance.Pubblicazioni consigliate
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