Title: Massive islands

Journal Article · · Journal of High Energy Physics (Online)
 [1];  [2]
  1. Univ. of Washington, Seattle, WA (United States); University of Washington
  2. Univ. of Washington, Seattle, WA (United States)
+ Show Author Affiliations

We comment on the role of the graviton mass in recent calculations of the Page curve using holographic ideas. All reliable calculations of the Page curve in more than 2+1 spacetime dimensions have been performed in systems with massive gravitons. A crucial ingredient in these calculations is the formation of islands, regions that contribute to the entropy of degrees of freedom located elsewhere. While most often simply ignored, it is indeed true that mass of the graviton does not appear to significantly affect the calculations that appeared in the literature. We use the freedom to change the graviton mass to give an extremely simple model of analytically tractable island formation in general dimensions. We do however note that if one attempts to take the limit of zero graviton mass, any contribution from the islands disappears. This raises the question to what extent entanglement islands can play a role in standard massless gravity.

Research Organization:
Univ. of Washington, Seattle, WA (United States)
Sponsoring Organization:
Simons Foundation; USDOE Office of Science (SC), High Energy Physics (HEP)
Grant/Contract Number:
SC0011637
OSTI ID:
1774157
Journal Information:
Journal of High Energy Physics (Online), Journal Name: Journal of High Energy Physics (Online) Journal Issue: 9 Vol. 2020; ISSN 1029-8479
Publisher:
Springer BerlinCopyright Statement
Country of Publication:
United States
Language:
English

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Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
AdS-CFT Correspondence
Black Holes
Black Holes in String Theory
Con-formal Field Models in String Theory