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The entropy of isolated horizons in non-minimally coupling scalar field theory from BF theory

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arxiv 1507.08807 v1 pith:BEBHBPFB submitted 2015-07-31 gr-qc

The entropy of isolated horizons in non-minimally coupling scalar field theory from BF theory

Jingbo Wang , Chao-Guang Huang This is my paper
classification gr-qc
keywords theoryentropyboundarycouplingfieldhorizonsisolatednon-minimally
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In this paper, the entropy of isolated horizons in non-minimally coupling scalar field theory and in the scalar-tensor theory of gravitation is calculated by counting the degree of freedom of quantum states in loop quantum gravity. Instead of boundary Chern-Simons theory, the boundary BF theory is used. The advantages of the new approaches are that no spherical symmetry is needed, and that the final result matches exactly with the Wald entropy formula.

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