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Zhang, HS; Hu, YP; Zhang, Y2
Towards a sound massive cosmology
AbstractIt is known that de Rham-Gabadadze-Tolley (dRGT) massive gravity does not permit a homogeneous and isotropic universe with flat or spherical spatial metrics. We demonstrate that a singular reference metric solves this problem in an economic and straightforward way. In the dRGT massive gravity with a singular reference metric, there are sound homogeneous and isotropic cosmological solutions. We investigate cosmologies with the static and dynamical singular reference metrics, respectively. The term like dark energy appears naturally and the universe accelerates itself in some late time evolution. The term simulating dark matter also naturally emerges. We make a preliminary constraint on the parameters in the dRGT massive gravity in frame of the present cosmological model by using the data of supernovae, cosmic microwave back ground radiations, and baryonic acoustic oscillations. (C) 2019 Elsevier B.V. All rights reserved.
Volume23Pages:UNSP 100257
Subject AreaAstronomy & Astrophysics
MOST Discipline CatalogueAstronomy & Astrophysics
Indexed BySCIE
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Document Type期刊论文
Affiliation1.Univ Jinan, Sch Phys & Technol, 336 West Rd Nan Xinzhuang, Jinan 250022, Shandong, Peoples R China
2.Nanjing Univ Aeronaut & Astronaut, Coll Sci, Nanjing 210016, Jiangsu, Peoples R China
3.Chongqing Univ Posts & Telecommun, Coll Sci, Chongqing 400065, Peoples R China
4.Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Zhang, HS,Hu, YP,Zhang, Y. Towards a sound massive cosmology[J]. PHYSICS OF THE DARK UNIVERSE,2019,23:UNSP 100257.
APA Zhang, HS,Hu, YP,&Zhang, Y.(2019).Towards a sound massive cosmology.PHYSICS OF THE DARK UNIVERSE,23,UNSP 100257.
MLA Zhang, HS,et al."Towards a sound massive cosmology".PHYSICS OF THE DARK UNIVERSE 23(2019):UNSP 100257.
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