Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Yannick Vreys"'
Publikováno v:
Journal of High Energy Physics, Vol 2018, Iss 9, Pp 1-33 (2018)
Abstract We evaluate the partition function of the free and interacting O(N) vector model on a two-parameter family of squashed three spheres in the presence of a scalar deformation. We also find everywhere regular solutions of Einstein gravity coupl
Externí odkaz:
https://doaj.org/article/c94253c1cdd044789e49f043bc3b5577
Publikováno v:
Journal of High Energy Physics, Vol 2017, Iss 7, Pp 1-42 (2017)
Abstract We study the partition function of odd-dimensional conformal field theories placed on spheres with a squashed metric. We establish that the round sphere provides a local extremum for the free energy which, in general, is not a global extremu
Externí odkaz:
https://doaj.org/article/bb6b2b58b135497295a9170e2e1825a0
Publikováno v:
Journal of High Energy Physics, Vol 2017, Iss 7, Pp 1-42 (2017)
Journal of High Energy Physics
Journal of High Energy Physics
We study the partition function of odd-dimensional conformal field theories placed on spheres with a squashed metric. We establish that the round sphere provides a local extremum for the free energy which, in general, is not a global extremum. In add
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f43eda71eeb16f0315e41d98602c9953
http://link.springer.com/article/10.1007/JHEP07(2017)093
http://link.springer.com/article/10.1007/JHEP07(2017)093
Publikováno v:
Journal of High Energy Physics
Journal of High Energy Physics, Vol 2018, Iss 9, Pp 1-33 (2018)
Journal of High Energy Physics, Vol 2018, Iss 9, Pp 1-33 (2018)
We evaluate the partition function of the free and interacting O(N) vector model on a two-parameter family of squashed three spheres in the presence of a scalar deformation. We also find everywhere regular solutions of Einstein gravity coupled to a s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bb98471d9df8d9192ea6206ce419f918
https://doi.org/10.1007/jhep09(2018)068
https://doi.org/10.1007/jhep09(2018)068
Autor:
Jonathan J. Halliwell, Oliver Janssen, Yannick Vreys, James B. Hartle, Thomas Hertog, J. Diaz Dorronsoro
We evaluate the no-boundary path integral exactly in a Bianchi IX minisuperspace with two scale factors. In this model the no-boundary proposal can be implemented by requiring one scale factor to be zero initially together with a judiciously chosen r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::62e417e117683322019d18bed4fa673d
https://lirias.kuleuven.be/handle/123456789/652787
https://lirias.kuleuven.be/handle/123456789/652787
Publikováno v:
Journal of High Energy Physics
We evaluate the partition function of the free O(N) model on a two-parameter family of squashed three spheres. We also find new solutions of general relativity with negative cosmological constant and the same double squashed boundary geometry and ana
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fb2150473ccb1d57c74e4a6adb5f4ab1
https://lirias.kuleuven.be/handle/123456789/558182
https://lirias.kuleuven.be/handle/123456789/558182
Publikováno v:
Journal of Cosmology and Astroparticle Physics
In a quantum theory of cosmology spacetime behaves classically only in limited patches of the configuration space on which the wave function of the universe is defined. Quantum transitions can connect classical evolution in different patches. Working
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6f3e42db126181e1f2aef8b209916cfd
https://doi.org/10.1088/1475-7516/2017/07/007
https://doi.org/10.1088/1475-7516/2017/07/007
Publikováno v:
Journal of High Energy Physics
We derive a sufficient set of conditions on the Euclidean boundary theory in dS/CFT for it to predict classical, Lorentzian bulk evolution at large spatial volumes. Our derivation makes use of a canonical transformation to express the bulk wave funct
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::00cc912b9e46d9ea10bf0070593a1575