Testing the tensor-vector-scalar theory with the latest cosmological observations

作者: Xiao-dong Xu , Bin Wang , Pengjie Zhang

DOI: 10.1103/PHYSREVD.92.083505

关键词:

摘要: The tensor-vector-scalar (TeVeS) model is considered a viable theory of gravity. It produces the Milgrom's modified Newtonian dynamics in nonrelativistic weak field limit and free from ghosts. This has been tested against various cosmological observations. Here we investigate whether new observations such as galaxy velocity power spectrum measured by 6dF kinetic Sunyaev Zel'dovich effect ACT/SPT can put further constraints on TeVeS model. Furthermore, perform test cosmology with sterile neutrino confronting to Planck data, find that it ruled out cosmic microwave background measurements mission.

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