Built on

P. Saad, S. H. Shenker and D. Stanford, JT gravity as a matrix integral , 1903.11115
Original
1903
Earlier work this paper cites.
J. Maldacena, G. J. Turiaci and Z. Yang, Two dimensional Nearly de Sitter gravity , 1904.01911
Original
1904
Earlier work this paper cites.
A. Almheiri, N. Engelhardt, D. Marolf and H. Maxfield, The entropy of bulk quantum fields and the entanglement wedge of an evaporating black hole , JHEP 12
Original
1905
Earlier work this paper cites.
G. Penington, Entanglement Wedge Reconstruction and the Information Paradox , 1905.08255
Original
1905
Earlier work this paper cites.
J. Cotler, K. Jensen and A. Maloney, Low-dimensional de Sitter quantum gravity , JHEP 06
Original
1905
Earlier work this paper cites.
A. Almheiri, R. Mahajan, J. Maldacena and Y. Zhao, The Page curve of Hawking radiation from semiclassical geometry , JHEP 03
Original
1908
Earlier work this paper cites.
A. Almheiri, T. Hartman, J. Maldacena, E. Shaghoulian and A. Tajdini, Replica Wormholes and the Entropy of Hawking Radiation , JHEP 05
Original
1911
Earlier work this paper cites.
G. Penington, S. H. Shenker, D. Stanford and Z. Yang, Replica wormholes and the black hole interior , 1911.11977
Original
1911
Earlier work this paper cites.
A. Almheiri, R. Mahajan and J. E. Santos, Entanglement islands in higher dimensions , SciPost Phys. 9
Original
1911
Earlier work this paper cites.
V. Balasubramanian, A. Kar and G. Sárosi, Holographic Probes of Inner Horizons , JHEP 06
Original
1911
Earlier work this paper cites.
J. Cotler and K. Jensen, Emergent unitarity in de Sitter from matrix integrals , 1911.12358
Original
1911
Earlier work this paper cites.
H. NARIAI, On a new cosmological solution of einstein’s field equations of gravitation , Sci. Rep. Tohoku Univ. Ser. I 35
1951
Earlier work this paper cites.
H. Nariai, On some static solutions of einstein’s gravitational field equations in a spherically symmetric case , Science reports of the Tohoku University 1st ser. Physics, chemistry, astronomy 34
1951
Earlier work this paper cites.
S. Hawking, Particle Creation by Black Holes , Commun. Math. Phys. 43
1975
Earlier work this paper cites.
G. Gibbons and S. Hawking, Cosmological Event Horizons, Thermodynamics, and Particle Creation , Phys. Rev. D 15
1977
Earlier work this paper cites.
P. H. Ginsparg and M. J. Perry, Semiclassical Perdurance of de Sitter Space , Nucl. Phys. B 222
1983
Earlier work this paper cites.

Similar

R. Bousso and S. W. Hawking, (Anti)evaporation of Schwarzschild-de Sitter black holes , Phys. Rev. D 57
1998
Cited alongside, same era.
R. Bousso, Proliferation of de Sitter space , Phys. Rev. D 58
1998
Cited alongside, same era.
S. Nojiri and S. D. Odintsov, Effective action for conformal scalars and anti-evaporation of black holes , Int. J. Mod. Phys. A 14
1999
Cited alongside, same era.
S. Nojiri and S. D. Odintsov, Quantum evolution of Schwarzschild-de Sitter (Nariai) black holes , Phys. Rev. D 59
1999
Cited alongside, same era.
T. Banks, Cosmological breaking of supersymmetry? , Int. J. Mod. Phys. A 16
2001
Cited alongside, same era.
E. Witten, Quantum gravity in de Sitter space , in Strings 2001: International Conference , 6, 2001, hep-th/0106109

Then

S. Ryu and T. Takayanagi, Aspects of Holographic Entanglement Entropy , JHEP 08
2006
Later among the works it cites.
A. Almheiri, T. Hartman, J. Maldacena, E. Shaghoulian and A. Tajdini, The entropy of Hawking radiation , 2006.06872
Original
2006
Later among the works it cites.
T. Anous, J. Kruthoff and R. Mahajan, Density matrices in quantum gravity , SciPost Phys. 9
Original
2006
Later among the works it cites.
V. E. Hubeny, M. Rangamani and T. Takayanagi, A Covariant holographic entanglement entropy proposal , JHEP 07
Original
2007
Later among the works it cites.
X. Dong, X.-L. Qi, Z. Shangnan and Z. Yang, Effective entropy of quantum fields coupled with gravity , 2007.02987
Original
2007

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2020

Islands in de Sitter space

Balasubramanian, Vijay, Kar, Arjun, Ugajin, Tomonori

Understand

We consider black holes in 2d de Sitter JT gravity coupled to a CFT, and entangled with matter in a disjoint non-gravitating universe.

Tracing out the entangling matter leaves the CFT in a density matrix whose stress tensor backreacts on the de Sitter geometry, lengthening the wormhole behind the black hole horizon.
Naively, the entropy of the entangling matter increases without bound as the strength of the entanglement increases, but the monogamy property predicts that this growth must level off.
We compute the entropy via the replica trick, including wormholes between the replica copies of the de Sitter geometry, and find a competition between conventional field theory entanglement entropy and the surface area of extremal "islands" in the de Sitter geometry.

Built on

P. Saad, S. H. Shenker and D. Stanford, JT gravity as a matrix integral , 1903.11115
Original
1903
Earlier work this paper cites.
J. Maldacena, G. J. Turiaci and Z. Yang, Two dimensional Nearly de Sitter gravity , 1904.01911
Original
1904
Earlier work this paper cites.
A. Almheiri, N. Engelhardt, D. Marolf and H. Maxfield, The entropy of bulk quantum fields and the entanglement wedge of an evaporating black hole , JHEP 12
Original
1905
Earlier work this paper cites.
G. Penington, Entanglement Wedge Reconstruction and the Information Paradox , 1905.08255
Original
1905
Earlier work this paper cites.
J. Cotler, K. Jensen and A. Maloney, Low-dimensional de Sitter quantum gravity , JHEP 06
Original
1905
Earlier work this paper cites.
A. Almheiri, R. Mahajan, J. Maldacena and Y. Zhao, The Page curve of Hawking radiation from semiclassical geometry , JHEP 03
Original
1908
Earlier work this paper cites.
A. Almheiri, T. Hartman, J. Maldacena, E. Shaghoulian and A. Tajdini, Replica Wormholes and the Entropy of Hawking Radiation , JHEP 05
Original
1911
Earlier work this paper cites.
G. Penington, S. H. Shenker, D. Stanford and Z. Yang, Replica wormholes and the black hole interior , 1911.11977
Original
1911
Earlier work this paper cites.
A. Almheiri, R. Mahajan and J. E. Santos, Entanglement islands in higher dimensions , SciPost Phys. 9
Original
1911
Earlier work this paper cites.
V. Balasubramanian, A. Kar and G. Sárosi, Holographic Probes of Inner Horizons , JHEP 06
Original
1911
Earlier work this paper cites.
J. Cotler and K. Jensen, Emergent unitarity in de Sitter from matrix integrals , 1911.12358
Original
1911
Earlier work this paper cites.
H. NARIAI, On a new cosmological solution of einstein’s field equations of gravitation , Sci. Rep. Tohoku Univ. Ser. I 35
1951
Earlier work this paper cites.
H. Nariai, On some static solutions of einstein’s gravitational field equations in a spherically symmetric case , Science reports of the Tohoku University 1st ser. Physics, chemistry, astronomy 34
1951
Earlier work this paper cites.
S. Hawking, Particle Creation by Black Holes , Commun. Math. Phys. 43
1975
Earlier work this paper cites.
G. Gibbons and S. Hawking, Cosmological Event Horizons, Thermodynamics, and Particle Creation , Phys. Rev. D 15
1977
Earlier work this paper cites.
P. H. Ginsparg and M. J. Perry, Semiclassical Perdurance of de Sitter Space , Nucl. Phys. B 222
1983
Earlier work this paper cites.

Similar

R. Bousso and S. W. Hawking, (Anti)evaporation of Schwarzschild-de Sitter black holes , Phys. Rev. D 57
1998
Cited alongside, same era.
R. Bousso, Proliferation of de Sitter space , Phys. Rev. D 58
1998
Cited alongside, same era.
S. Nojiri and S. D. Odintsov, Effective action for conformal scalars and anti-evaporation of black holes , Int. J. Mod. Phys. A 14
1999
Cited alongside, same era.
S. Nojiri and S. D. Odintsov, Quantum evolution of Schwarzschild-de Sitter (Nariai) black holes , Phys. Rev. D 59
1999
Cited alongside, same era.
T. Banks, Cosmological breaking of supersymmetry? , Int. J. Mod. Phys. A 16
2001
Cited alongside, same era.
E. Witten, Quantum gravity in de Sitter space , in Strings 2001: International Conference , 6, 2001, hep-th/0106109

Then

S. Ryu and T. Takayanagi, Aspects of Holographic Entanglement Entropy , JHEP 08
2006
Later among the works it cites.
A. Almheiri, T. Hartman, J. Maldacena, E. Shaghoulian and A. Tajdini, The entropy of Hawking radiation , 2006.06872
Original
2006
Later among the works it cites.
T. Anous, J. Kruthoff and R. Mahajan, Density matrices in quantum gravity , SciPost Phys. 9
Original
2006
Later among the works it cites.
V. E. Hubeny, M. Rangamani and T. Takayanagi, A Covariant holographic entanglement entropy proposal , JHEP 07
Original
2007
Later among the works it cites.
X. Dong, X.-L. Qi, Z. Shangnan and Z. Yang, Effective entropy of quantum fields coupled with gravity , 2007.02987
Original
2007

Beyond the bibliography

alphaXiv searches the wider corpus for related work and actual follow-ups.

Open on alphaXiv

alphaXiv is searching for related work…

2001

Cited alongside, same era.

D. Marolf and H. Maxfield, Transcending the ensemble: baby universes, spacetime wormholes, and the order and disorder of black hole information , 2002.08950

Original

2002

Cited alongside, same era.

R. Bousso, Adventures in de Sitter space , in Workshop on Conference on the Future of Theoretical Physics and Cosmology in Honor of Steven Hawking’s 60th Birthday , pp. 539–569, 5, 2002, hep-th/0205177

2002

Cited alongside, same era.

V. Balasubramanian, A. Kar, O. Parrikar, G. Sárosi and T. Ugajin, Geometric secret sharing in a model of Hawking radiation , 2003.05448

Original

2003

Cited alongside, same era.

T. Anegawa and N. Iizuka, Notes on islands in asymptotically flat 2d dilaton black holes , 2004.01601

Original

2004

Cited alongside, same era.

K. Hashimoto, N. Iizuka and Y. Matsuo, Islands in Schwarzschild black holes , JHEP 06

Original