Entropy in spin foam models: the statistical calculation

Recently an idea for computing the entropy of black holes in the spin foam formalism has been introduced. Particularly complete calculations for the three-dimensional Euclidean BTZ black hole were performed. The whole calculation is based on observables living at the horizon of the black hole univer...

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Bibliographic Details
Published in:Classical and quantum gravity 2010-07, Vol.27 (14), p.145020-145020
Main Author: García-Islas, J Manuel
Format: Article
Language:English
Subjects:
Black holes (astronomy)
Entropy
Exact sciences and technology
Foams
Formalism
General relativity and gravitation
Horizon
Mathematical models
Physics
Quantum gravity
Universe
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Summary:Recently an idea for computing the entropy of black holes in the spin foam formalism has been introduced. Particularly complete calculations for the three-dimensional Euclidean BTZ black hole were performed. The whole calculation is based on observables living at the horizon of the black hole universe. Departing from this idea of observables living at the horizon, we now go further and compute the entropy of the BTZ black hole in the spirit of statistical mechanics. We compare both calculations and show that they are very interrelated and equally valid. This latter behaviour is certainly due to the importance of the observables.
ISSN:0264-9381
1361-6382
DOI:10.1088/0264-9381/27/14/145020