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Quantum gravity on dS3
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DOI：10.1088/0264-9381/19/15/320.png)
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摘要
En 中文
We study quantum gravity on dS(3) using the Chem-Simons formulation of three-dimensional gravity. We derive an exact expression for the partition function for quantum gravity on dS(3) in a Euclidean path integral approach. We show that the topology of the space relevant for studying de Sitter entropy is a solid torus. The quantum fluctuations of de Sitter space are sectors of configurations of point masses taking a discrete set of values. The partition function gives the correct semiclassical entropy. The sub-leading correction to the entropy is logarithmic in horizon area, with a coefficient -1. We discuss this correction in detail, and show that the sub-leading correction to the entropy from the dS/CFT correspondence agrees with our result. A comparison with the corresponding results for the AdS(3) BTZ black hole is also presented.
Keyword:
BLACK-HOLE ENTROPY
LOGARITHMIC CORRECTION
FIELD-THEORY
QUANTIZATION
STATES
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3.7
论文数:
1.3W
被引数:
3.0W
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