Cited by 20Black Holes and Theoretical PhysicsNoncommutative and Quantum Gravity TheoriesQuantum chaos and dynamical systems

Quantum mechanics of a black hole

Open access
Gour, Gilad·2000·Physical Review D

Abstract

Beginning with Bekenstein, many authors have considered a uniformly spaced discrete quantum spectrum for the black hole horizon area. It is also believed that the huge degeneracy of these area levels corresponds to the notion of black hole entropy. Starting from these two assumptions we here infer the algebra of a Schwarzschild black hole's observables. This algebra then serves as motivation for introducing in the system's Hamiltonian an interaction term. The interaction contains the horizon area operator, which is a number operator, and its canonical conjugate, the phase operator. The Hawking radiation from a Schwarzschild black hole is seen to be a consequence of an area-phase interaction. Using this interaction we have reproduced the semiclassical result for the Hawking radiation power. Furthermore, we show that the initial state of the black hole determines the nature of its development. Thus, a state which is an area eigenstate describes a static eternal black hole, but a coherent state describes a radiating black hole. Hence, it is the observer's initial knowledge or uncertainty about the horizon area which determines the evolution.

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Crossref · 10.1103/physrevd.61.124007

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  • The spectroscopy for spherically symmetric black holes is unaltered by the area spectrum (42) because it becomes uniformly spaced for large j, like spectrum (36).

    “As a last remark we note that the spectroscopy for spherically symmetric black holes (cf, e.g., [46]) is unaltered by our area spectrum (42) because it becomes uniformly spaced for large j , like the spectrum (36).”

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Research works printed but not linked: 4

  1. [4]A. Ashtekar and K. Krasnov, gr-qc/9804039; A. Ashtekar, C. Rovelli and L. Smolin, Phys. Rev. Letters 69 , 237 (1992). · arXiv
  2. [6]V. Mukhanov, Pis. Eksp. Teor. Fiz. 44 , 50 (1986) [JETP Letters 44 , 63 (1986)]
  3. [15]M. Born, Atomic Physics (Blackie, London 1969), eight edition.
  4. [35]H. Umezawa, Advanced Field Theory (AIP Press, New York, 1995).

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Authors
Gour, G.
Affiliations
Hebrew University of Jerusalem (IL)
Corresponding author
Gour, Gilad
Venue
Physical Review D
Published
2000-05-15
Volume
61
Issue
12
ISSN
  • 0556-2821 (ISSN-L)
  • 1089-4918
OpenAlex
W2049254165
Cited by
20
References
30
Citations by year
2014: 1
FWCI
2.23
Type
journal article
Language
en
Open access
Locations
  • Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields (publishedVersion)
  • arXiv (Cornell University) (submittedVersion)
  • CERN Document Server (European Organization for Nuclear Research) (submittedVersion)
  • arXiv (Cornell University)
Topics
  • Physical Sciences › Physics and Astronomy › Nuclear and High Energy Physics › Black Holes and Theoretical Physics
  • Physical Sciences › Physics and Astronomy › Statistical and Nonlinear Physics › Noncommutative and Quantum Gravity Theories
  • Physical Sciences › Physics and Astronomy › Statistical and Nonlinear Physics › Quantum chaos and dynamical systems
Keywords
black hole quantum mechanics, Schwarzschild black hole, black hole entropy, Hawking radiation, area operator, phase operator, coherent states, black hole evolution

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