期刊
PHYSICAL REVIEW D
卷 87, 期 6, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.87.063525
关键词
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资金
- JSPS [23740186, 21244033]
- MEXT HPCI Strategic Program
- U.S. Deptartment of Energy [DE-FG02-90ER-40560]
- Kavli Institute for Cosmological Physics at the University of Chicago [NSF PHY-0114422, NSF PHY-0551142]
- STFC [ST/H002774/1]
- ERC
- Leverhulme trust
- Gordon and Betty Moore Foundation at Caltech
- STFC [ST/H002774/1] Funding Source: UKRI
- Science and Technology Facilities Council [ST/H002774/1] Funding Source: researchfish
- Division Of Physics
- Direct For Mathematical & Physical Scien [1125897] Funding Source: National Science Foundation
- Grants-in-Aid for Scientific Research [23740186] Funding Source: KAKEN
In massive gravity, galileon, and braneworld explanations of cosmic acceleration, force modifications are screened by nonlinear derivative self-interactions of the scalar field mediating that force. Interactions between the field of a central body (A'') and an orbiting body (B'') imply that body B does not move as a test body in the field of body A if the orbit is smaller than the Vainshtein radius of body B. We find through numerical solutions of the joint field at the position of B that the A-field Laplacian is nearly perfectly screened by the B self-field, whereas first derivative or net forces are reduced in a manner that scales with the mass ratio of the bodies as (M-B/M-A)(3/5). The latter causes mass-dependent reductions in the universal perihelion precession rate due to the fifth force, with deviations for the Earth-Moon system at the similar to 4% level. In spite of universal coupling, which preserves the microscopic equivalence principle, the motion of macroscopic screened bodies depends on their mass providing in principle a means for testing the Vainshtein mechanism. DOI: 10.1103/PhysRevD.87.063525
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