期刊
PHYSICAL REVIEW D
卷 86, 期 8, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.86.084035
关键词
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资金
- National Natural Science Foundation of China [11104324]
- DFG Transregional Collaborative Research Centre [TRR 33]
- DFG cluster of excellence Origin and Structure of the Universe
- Engineering and Physical Sciences Research Council [EP/C544951/1] Funding Source: researchfish
- Science and Technology Facilities Council [1160310, ST/J000434/1, ST/G000581/1] Funding Source: researchfish
- EPSRC [EP/C544951/1] Funding Source: UKRI
- STFC [ST/J000434/1, ST/G000581/1] Funding Source: UKRI
We present a Chern-Simons-like action for the general massive gravity model propagating two spin-2 modes with independent masses in three spacetime dimensions (3D), and we use it to find a simple Hamiltonian form of this model. The number of local degrees of freedom, determined by the dimension of the physical phase space, agrees with a linearized analysis except in some limits, in particular that yielding topologically new massive gravity, which therefore suffers from a linearization instability.
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