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题名: Generalized Vaidya solutions and Misner-Sharp mass for n-dimensional massive gravity
作者: Hu, YP ;  Wu, XM ;  Zhang, HS
刊名: PHYSICAL REVIEW D
出版日期: 2017
卷号: 95, 期号:8, 页码:84002
学科分类: Astronomy & Astrophysics; Physics
DOI: http://dx.doi.org/10.1103/PhysRevD.95.084002
通讯作者: Hu, YP (reprint author), Nanjing Univ Aeronaut & Astronaut, Coll Sci, Nanjing 210016, Jiangsu, Peoples R China. ;  Hu, YP (reprint author), Leiden Univ, Inst Lorentz Theoret Phys, Niels Bohrweg 2, NL-2333 CA Leiden, Netherlands. ;  Hu, YP (reprint author), Chinese Acad Sci, Inst Theoret Phys, Key Lab Theoret Phys, Beijing 100190, Peoples R China.
文章类型: Article
英文摘要: Dynamical solutions are always of interest to people in gravity theories. We derive a series of generalized Vaidya solutions in the n-dimensional de Rham-Gabadadze-Tolley massive gravity with a singular reference metric. Similar to the case of the Einstein gravity, the generalized Vaidya solution can describe shining/absorbing stars. Moreover, we also find a more general Vaidya-like solution by introducing a more generic matter field than the pure radiation in the original Vaidya spacetime. As a result, the above generalized Vaidya solution is naturally included in this Vaidya-like solution as a special case. We investigate the thermodynamics for this Vaidya-like spacetime by using the unified first law and present the generalized Misner-Sharp mass. Our results show that the generalized Minser-Sharp mass does exist in this spacetime. In addition, the usual Clausius relation delta Q = TdS holds on the apparent horizon, which implicates that the massive gravity is in a thermodynamic equilibrium state. We find that the work density vanishes for the generalized Vaidya solution, while it appears in the more general Vaidya-like solution. Furthermore, the covariant generalized Minser-Sharp mass in the n-dimensional de Rham-Gabadadze-Tolley massive gravity is also derived by taking a general metric ansatz into account.
类目[WOS]: Astronomy & Astrophysics ;  Physics, Particles & Fields
关键词[WOS]: THERMODYNAMICS ;  FIELD
项目资助者: National Natural Science Foundation of China [11575083, 11565017, 11105004, 11075106, 11275128] ;  Shanghai Institutions of Higher Learning, National Education Foundation of China [200931271104] ;  Fundamental Research Funds for the Central Universities [NS2015073] ;  State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y5KF161CJ1] ;  China Scholarship Council (CSC)
语种: 英语
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内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/22087
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Recommended Citation:
Hu, YP,Wu, XM,Zhang, HS. Generalized Vaidya solutions and Misner-Sharp mass for n-dimensional massive gravity[J]. PHYSICAL REVIEW D,2017,95(8):84002.
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