Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Shi-Bei Kong"'
Autor:
Haximjan Abdusattar, Shi-Bei Kong
Publikováno v:
Nuclear Physics B, Vol 1008, Iss , Pp 116719- (2024)
In this paper, within the framework of modified gravity involving a conformal scalar field, we investigate the Joule-Thomson expansion of the Friedmann-Robertson-Walker (FRW) universe to identify cooling and heating regions. We observe a divergence i
Externí odkaz:
https://doaj.org/article/e8c0acc0cb5743c8bb28cb0a7ea8fc9b
Publikováno v:
Journal of High Energy Physics, Vol 2022, Iss 12, Pp 1-19 (2022)
Abstract We make a first principle study of gravitational pressure in cosmic thermo- dynamics. The pressure is directly derived from the unified first law, in fact the Einstein field equation in spherically symmetric spacetime. By using this pressure
Externí odkaz:
https://doaj.org/article/418567ceb0364621bebdc99f72811471
Publikováno v:
European Physical Journal C: Particles and Fields, Vol 82, Iss 11, Pp 1-9 (2022)
Abstract We define thermodynamic pressure P by work density W as the conjugate quantity of thermodynamic volume V from field equation. We derive the equations of state P=P(V, T) for the Friedmann–Robertson–Walker (FRW) universe in Einstein gravit
Externí odkaz:
https://doaj.org/article/b1179b504ba548fa8e477e0ab6b1c74a
Publikováno v:
Nuclear Physics B, Vol 987, Iss , Pp 116091- (2023)
We study the thermodynamic properties of the Friedmann-Robertson-Walker (FRW) universe in the brane world scenario, concentrating on the Randall-Sundrum II model. From the first law of thermodynamics for the FRW universe, we find that the work densit
Externí odkaz:
https://doaj.org/article/22b5babe7c2645b9bbf2d92737072207
Publikováno v:
Physics Letters B, Vol 822, Iss , Pp 136661- (2021)
The P-V phase transition and critical behavior in the extended phase space of asymptotic Anti-de Sitter (AdS) black holes have been widely investigated, in which four critical exponents around critical point are found to be consistent with values in
Externí odkaz:
https://doaj.org/article/d918d3c4167b46629cbab63c36797305
Publikováno v:
Nuclear Physics
We study the thermodynamic properties of Friedmann-Robertson-Walker (FRW) universe in the brane world scenario, concentrating on the Randall-Sundrum II model. We obtain the first law of thermodynamics for the FRW universe. The Misner-Sharp energy is
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::921e3801d089bfbc654e3e600c7ee389
In this paper, we investigate the thermodynamics especially the Hawking-Page-like phase transition of the McVittie space-time. We formulate the first law of thermodynamics for the McVittie black hole, and find that the work density $W$ of the perfect
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3b2fe544dd6df52fc666a0a601feb14a
Publikováno v:
Physics Letters B, Vol 822, Iss, Pp 136661-(2021)
Physics Letters
Physics Letters
The $P$-$V$ phase transition and critical behavior in the extended phase space of asymptotic Anti-de Sitter (AdS) black holes have been widely investigated, in which four critical exponents around critical point are found to be consistent with values
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b26a5aa4bda7cab4f70929d79d1ddd22
http://arxiv.org/abs/2010.09363
http://arxiv.org/abs/2010.09363
Autor:
Chao-Guang Huang, Shi-Bei Kong
We discuss the Hamiltonian formulation of gravity in 4-dimensional spacetime under Bondi-like coordinates{v, r, x^a, a=2, 3}. In Bondi-like coordinates, the 3-dimensional hypersurface is a null hypersurface and the evolution direction is the advanced
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c9c11a342f09760c4e098779ec79b89b
Autor:
Shi-Bei Kong, Chao-Guang Huang
The Hamiltonian analysis for a 3-dimensional connection dynamics of $\frak{so}(1,2)$, spanned by $\{L_{-+},L_{-2},L_{+2}\}$ instead of $\{L_{01}, L_{02}, L_{12}\}$, is first conducted in a Bondi-like coordinate system.The symmetry of the system is cl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6281ab4cfcbd1de64f071eb8e3142f04
http://arxiv.org/abs/1608.07090
http://arxiv.org/abs/1608.07090