Built on

A. R. Brown, H. Gharibyan, G. Penington and L. Susskind, “The Python’s Lunch: geometric obstructions to decoding Hawking radiation,” JHEP 08
Original
1912
Earlier work this paper cites.
T. Eguchi and H. Kawai, “Reduction of Dynamical Degrees of Freedom in the Large N Gauge Theory,” Phys. Rev. Lett. 48
1982
Earlier work this paper cites.
P. Zhang, C. Liu and X. Chen, “Subsystem Rényi Entropy of Thermal Ensembles for SYK-like models,” SciPost Phys. 8
Original
2003
Earlier work this paper cites.
M. Alishahiha, A. Karch, E. Silverstein and D. Tong, “The dS/dS correspondence,” AIP Conf. Proc. 743
2004
Earlier work this paper cites.
E. Shaghoulian, “A symmetry principle for emergent spacetime,” Int. J. Mod. Phys. D 29
Original
2005
Earlier work this paper cites.
S. Ryu and T. Takayanagi, “Holographic derivation of entanglement entropy from AdS/CFT,” Phys. Rev. Lett. 96
2006
Earlier work this paper cites.
T. Banks, B. Fiol and A. Morisse, “Towards a quantum theory of de Sitter space,” JHEP 12
2006
Earlier work this paper cites.

Similar

V. E. Hubeny, M. Rangamani and T. Takayanagi, “A Covariant holographic entanglement entropy proposal,” JHEP 07
Original
2007
Cited alongside, same era.
D. Anninos, S. A. Hartnoll and D. M. Hofman, “Static Patch Solipsism: Conformal Symmetry of the de Sitter Worldline,” Class. Quant. Grav. 29
Original
2012
Cited alongside, same era.
T. Hartman and J. Maldacena, “Time Evolution of Entanglement Entropy from Black Hole Interiors,” JHEP 05
Original
2013
Cited alongside, same era.
A. C. Wall, “Maximin Surfaces, and the Strong Subadditivity of the Covariant Holographic Entanglement Entropy,” Class. Quant. Grav. 31
Original
2014
Cited alongside, same era.
T. Hartman, C. A. Keller and B. Stoica, “Universal Spectrum of 2d Conformal Field Theory in the Large c Limit,” JHEP 09

Then

E. Shaghoulian, “Emergent gravity from Eguchi-Kawai reduction,” JHEP 03
Original
2017
Later among the works it cites.
A. Belin, J. de Boer, J. Kruthoff, B. Michel, E. Shaghoulian and M. Shyani, “Universality of sparse d > 2 d>2 conformal field theory at large N N ,” JHEP 03
Original
2017
Later among the works it cites.
D. Anninos and D. M. Hofman, “Infrared Realization of dS 2 in AdS 2 ,” Class. Quant. Grav. 35
Original
2018
Later among the works it cites.
X. Dong, E. Silverstein and G. Torroba, “De Sitter Holography and Entanglement Entropy,” JHEP 07
Original
2018
Later among the works it cites.
Y. Nomura, P. Rath and N. Salzetta, “Spacetime from Unentanglement,” Phys. Rev. D 97

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2022

Entanglement in De Sitter Space

Shaghoulian, Edgar, Susskind, Leonard

Understand

This paper expands on two recent proposals, \cite{Susskind:2021dfc}\cite{Susskind:2021esx} and \cite{Shaghoulian:2021cef}, for generalizing the Ryu-Takayanagi and Hubeny-Rangamani-Takayanagi formulas to de Sitter space.

The proposals (called the monolayer and bilayer proposals) are similar; both replace the boundary of AdS by the boundaries of static-patches--in other words event horizons.
After stating the rules for each, we apply them to a number of cases and show that they yield results expected on other grounds.
The monolayer and bilayer proposals often give the same results, but in one particular situation they disagree.

Built on

A. R. Brown, H. Gharibyan, G. Penington and L. Susskind, “The Python’s Lunch: geometric obstructions to decoding Hawking radiation,” JHEP 08
Original
1912
Earlier work this paper cites.
T. Eguchi and H. Kawai, “Reduction of Dynamical Degrees of Freedom in the Large N Gauge Theory,” Phys. Rev. Lett. 48
1982
Earlier work this paper cites.
P. Zhang, C. Liu and X. Chen, “Subsystem Rényi Entropy of Thermal Ensembles for SYK-like models,” SciPost Phys. 8
Original
2003
Earlier work this paper cites.
M. Alishahiha, A. Karch, E. Silverstein and D. Tong, “The dS/dS correspondence,” AIP Conf. Proc. 743
2004
Earlier work this paper cites.
E. Shaghoulian, “A symmetry principle for emergent spacetime,” Int. J. Mod. Phys. D 29
Original
2005
Earlier work this paper cites.
S. Ryu and T. Takayanagi, “Holographic derivation of entanglement entropy from AdS/CFT,” Phys. Rev. Lett. 96
2006
Earlier work this paper cites.
T. Banks, B. Fiol and A. Morisse, “Towards a quantum theory of de Sitter space,” JHEP 12
2006
Earlier work this paper cites.