期刊
PHYSICAL REVIEW LETTERS
卷 107, 期 13, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.107.131101
关键词
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资金
- ERC
- STFC [ST/H002774/1]
- Leverhulme trust
- RCUK
- Engineering and Physical Sciences Research Council [EP/C500067/1] Funding Source: researchfish
- Science and Technology Facilities Council [ST/H002774/1, ST/H005498/1] Funding Source: researchfish
- STFC [ST/H002774/1, ST/H005498/1] Funding Source: UKRI
We study spherically symmetric solutions in a covariant massive gravity model, which is a candidate for a ghost-free nonlinear completion of the Fierz-Pauli theory. There is a branch of solutions that exhibits the Vainshtein mechanism, recovering general relativity below a Vainshtein radius given by (r(g)m(2))(1/3), where m is the graviton mass and r(g) is the Schwarzschild radius of a matter source. Another branch of exact solutions exists, corresponding to de Sitter-Schwarzschild spacetimes where the curvature scale of de Sitter space is proportional to the mass squared of the graviton.
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