期刊
CLASSICAL AND QUANTUM GRAVITY
卷 31, 期 21, 页码 -出版社
IOP Publishing Ltd
DOI: 10.1088/0264-9381/31/21/214002
关键词
quantum gravity; spacetime; entanglement
类别
资金
- Government of Canada through Industry Canada
- Province of Ontario through Ministry of Research Innovation
- NSERC
- Canadian Institute for Advanced Research
We propose entanglement entropy as a probe of the architecture of spacetime in quantum gravity. We argue that the leading contribution to this entropy satisfies an area law for any sufficiently large region in a smooth spacetime, which, in fact, is given by the Bekenstein-Hawking formula. This conjecture is supported by various lines of evidence from perturbative quantum gravity, simplified models of induced gravity, the AdS/CFT correspondence and loop quantum gravity, as well as Jacobson's 'thermodynamic' perspective of gravity.
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