Journal
PHYSICS LETTERS B
Volume 761, Issue -, Pages 74-76Publisher
ELSEVIER
DOI: 10.1016/j.physletb.2016.08.013
Keywords
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Funding
- National Natural Science Foundation of China [11475108]
- Doctoral Sustentation Fund of Shanxi Datong University [2011-B-03]
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Based on the consideration that the black hole horizon and the cosmological horizon of Reissner-Nordstrom black hole in de Sitter space are not independent each other, we conjecture the total entropy of the system should have an extra term contributed from the entanglement between the two horizons, except for the sum of the two horizon entropies. Making use of the globally effective first law and the effective thermodynamic quantities, we derive the total entropy and find that it will diverge as the two horizons tend to coincide. (C) 2016 The Author(s). Published by Elsevier B.V.
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