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BF theory explanation of the entropy for rotating isolated horizons

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arxiv 1505.03647 v2 pith:ZGRLGO7M submitted 2015-05-14 gr-qc

BF theory explanation of the entropy for rotating isolated horizons

classification gr-qc
keywords entropyhorizonsisolatedsametheoryareabarbero-immirzibekenstein-hawking
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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In this paper, the isolated horizons with rotation are considered. It is shown that the symplectic form is the same as that in the nonrotating case. As a result, the boundary degrees of freedom can be also described by an SO$(1,1)$ BF theory. The entropy satisfies the Bekenstein-Hawking area law with the same Barbero-Immirzi parameter.

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