Strong Constraints on Cosmological Gravity from GW170817 and GRB 170817A

被引：644
|
作者：
Baker, T. [1 ]
Bellini, E. [1 ]
Ferreira, P. G. [1 ]
Lagos, M. [2 ]
Noller, J. [3 ]
Sawicki, I. [4 ]
机构：
[1] Univ Oxford, Denys Wilkinson Bldg,Keble Rd, Oxford OX1 3RH, England
[2] Univ Chicago, Kavli Inst Cosmol Phys, Chicago, IL 60637 USA
[3] ETH, Inst Theoret Studies, Clausiusstr 47, CH-8092 Zurich, Switzerland
[4] Akad CR, Fyzikalni Ustav, CEICO, Slovance 2, Prague 18221 8, Czech Republic
来源：
PHYSICAL REVIEW LETTERS | 2017年 / 119卷 / 25期
关键词：
GRAVITATIONAL-WAVES;
D O I：
10.1103/PhysRevLett.119.251301
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The detection of an electromagnetic counterpart (GRB 170817A) to the gravitational-wave signal (GW170817) from the merger of two neutron stars opens a completely new arena for testing theories of gravity. We show that this measurement allows us to place stringent constraints on general scalar-tensor and vector-tensor theories, while allowing us to place an independent bound on the graviton mass in bimetric theories of gravity. These constraints severely reduce the viable range of cosmological models that have been proposed as alternatives to general relativistic cosmology.
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页数：6
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