Results 31 to 40 of about 4,559 (313)
Analytical evaluation of cosmological correlation functions
Journal of High Energy Physics, 2022 Using the Schwinger-Keldysh-formalism, reformulated in [1] as an effective field theory in Euclidean anti-de Sitter, we evaluate the one-loop cosmological four-point function of a conformally coupled interacting scalar field in de Sitter.
Till Heckelbacher +3 more
doaj +1 more source
Quotients of anti–de Sitter space [PDF]
Physical Review D, 2004 12 pages, v2: minor typos ...
Madden, Owen, Ross, Simon F.
openaire +2 more sources
De Sitter space and eternity [PDF]
Nuclear Physics B, 2008 27 pages important comments added.
openaire +2 more sources
Festina lente:1 EFT constraints from charged black hole evaporation in de Sitter
Journal of High Energy Physics, 2020 In the Swampland philosophy of constraining EFTs from black hole mechanics we study charged black hole evaporation in de Sitter space. We establish how the black hole mass and charge change over time due to both Hawking radiation and Schwinger pair ...
Miguel Montero +2 more
doaj +1 more source
Statistical entropy of de Sitter space [PDF]
Journal of High Energy Physics, 1998 5 pages, harvmac.
Maldacena, Juan, Strominger, Andrew
openaire +4 more sources
Comment on Coleman-DeLuccia instantons
SciPost Physics, 2022 We complete an old argument that causal diamonds in the crunching region of the Lorentzian continuation of a Coleman-Deluccia instanton for transitions out of de Sitter space have finite area, and provide quantum models consistent with the principle ...
Tom Banks, Bingnan Zhang
doaj +1 more source
Revise the Phase-Space Analysis of the Dynamical Spacetime Unified Dark Energy Cosmology
Universe, 2023 We analyze the phase-space of an alternate scalar field cosmology that aims to combine the concepts of dark energy and the dark sector. The investigation focuses on stationary points within this phase-space, considering different functional forms of the ...
Andronikos Paliathanasis
doaj +1 more source
Quantum steering for continuous variable in de Sitter space
European Physical Journal C: Particles and Fields, 2020 We study the distribution of quantum steerability for continuous variables between two causally disconnected open charts in de Sitter space. It is shown that quantum steerability suffers from “sudden death” in de Sitter space, which is quite different ...
Cuihong Wen, Jieci Wang, Jiliang Jing
doaj +1 more source
String with deformed dispersion relation
European Physical Journal C: Particles and Fields, 2022 We study string theory with momentum living on de Sitter space. We argue that consistency of the theory implies that the global momentum can be defined on de Sitter space.
J. Klusoň
doaj +1 more source
Thermodynamic properties of higher-dimensional dS black holes in dRGT massive gravity
European Physical Journal C: Particles and Fields, 2020 On the basis of the state parameter of de Sitter space-time satisfying the first law of thermodynamics, we can derive some effective thermodynamic quantities. When the temperature of the black hole horizon is equal to that of the cosmological horizon, we
Yubo Ma +5 more
doaj +1 more source