Bigravitational origin of dark matter

被引：69
作者：
Babichev, Eugeny [1 ,2 ]
Marzola, Luca [3 ,4 ]
Raidal, Martti [3 ,4 ]
Schmidt-May, Angnis [5 ]
Urban, Federico [3 ]
Veermae, Hardi [3 ]
von Strauss, Mikael [2 ]
机构：
[1] Univ Paris Saclay, Univ Paris Sud, CNRS, LabPhys Theor, F-91405 Orsay, France
[2] UPMC, CNRS, UMR7095, Inst Astrophys Paris,GReCO, 98Bis Blvd Arago, F-75014 Paris, France
[3] NICPB, Ravala 10, EE-10143 Tallinn, Estonia
[4] Univ Tartu, Inst Phys, Lab Theoret Phys, Ravila 14c, EE-50411 Tartu, Estonia
[5] ETH, Inst Theoret Phys, Wolfgang Pauli Str 27, CH-8093 Zurich, Switzerland
来源：
PHYSICAL REVIEW D | 2016年 / 94卷 / 08期
基金：
欧洲研究理事会; 瑞士国家科学基金会; 俄罗斯基础研究基金会;
关键词：
MASS;
D O I：
10.1103/PhysRevD.94.084055
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Observational evidence for dark matter is limited to gravitational effects. Dedicated searches have yielded null results, challenging the most popular models. This can be explained if cold dark matter is a massive spin-2 particle and, thus, a manifestation of gravity itself. In the unique consistent theory for a massless and a massive spin-2 field, the latter can be heavy, stable on cosmological scales, and produced with correct abundance, and its matter coupling is naturally as weak as the gravitational one. The theory satisfies current gravity tests, and we suggest several gravitational signatures.
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页数：5
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