Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
2010-06-03
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
30 pages, 1 figure
Scientific paper
A detailed analysis of the spherically symmetric isolated horizon system is performed in terms of the connection formulation of general relativity. The system is shown to admit a manifestly SU(2) invariant formulation where the (effective) horizon degrees of freedom are described by an SU(2) Chern-Simons theory. This leads to a more transparent description of the quantum theory in the context of loop quantum gravity and modifications of the form of the horizon entropy.
Engle Jonathan
Noui Karim
Perez Alejandro
Pranzetti Daniele
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