期刊
CLASSICAL AND QUANTUM GRAVITY
卷 37, 期 13, 页码 -出版社
IOP Publishing Ltd
DOI: 10.1088/1361-6382/ab9319
关键词
alternative theories of gravity; effective field theories of gravity; massive gravity
类别
资金
- European Unions Horizon 2020 Research and Innovation Programme under the Marie Sklodowska-Curie Grants [674896, 690575]
- COST actions (Quantum Structure of Spacetime) [MP1405]
- COST (The String Theory Universe) [MP1210]
- Spanish Research Agency (Agencia Estatal de Investigacion) through the Grant IFT Centro de Excelencia Severo Ochoa [SEV-2016-0597]
- Spanish FPU [FPU16/01595]
- [FPA2015-65480-P]
- [FPA2016-78645-P]
A ghost free massive deformation of unimodular gravity (UG), in the spirit ofmimetic massive gravity, is shown to exist. This construction avoids the no-go theorem for a Fierz-Pauli type of mass term in UG by giving up on Lorentz invariance. In our framework, the mimetic degree of freedom vanishes on-shell.
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