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New upper limits of a braneworld model with recent Solar System tests
Deng, Xue-Mei1; Xie, Yi2,3
AbstractAs an extension of previous works on classical tests of a braneworld model which is called as the Dadhich, Maartens, Papadopoulos and Rezania (DMPR) solution, and as an attempt to find more stringent constraints on this model, we investigate its effects on physical experiments and astronomical observations conducted in the Solar System by modeling new observable effects and adopting new datasets. First, we investigate gravitational time delay at inferior conjunction (IC) caused by the braneworld model, which was not considered in previous works, because these measurements are not affected by the solar corona noise. Second, the Cassini superior conjunction (SC) experiment is, for the first time, used to test the DMPR model. Third, compared to previous works, we refine the model, which confronts the perihelion shift induced by the braneworld model with modern Solar System ephemerides INPOP10a (IMCCE, France) and EPM2011 (IAA RAS, Russia). The correction of DMPR solution to Einstein's general relativity (GR) in the four-dimensional spacetime can be characterized by a constant bulk "tidal charge" parameter Q, which is confined in the present work. We find that time delay experiment at IC is independent of Q and not suitable for testing the braneworld model. However, the Cassini SC experiment and modern Solar System ephemerides can give better upper bounds on Q: (1) vertical bar Q vertical bar <= 1.2 x 10(7) m(2) by Cassini, and (2) vertical bar Q vertical bar <= 61 m(2) based on the supplementary advances of the perihelia provided by INPOP10a and vertical bar Q vertical bar <= 3.0 x 10(2) m(2) based on the ones of EPM2011. The latter upper bounds are improved to be tighter than the ones of previous works by at least two orders of magnitude. Besides, the stronger constraints on the brane tension are given by the modern ephemerides, which are lambda >= 3.1 x 10(5) MeV4 for INPOP10a and lambda >= 6.2 x 10(4) MeV4 for EPM2011. These improved upper bounds mean that the Solar System tests can serve as a good testbed for high dimensional theories.
KeywordSolar System Experiments Ephemerides Braneworld Models
WOS HeadingsScience & Technology ; Physical Sciences
Indexed BySCI
WOS Research AreaPhysics
WOS SubjectPhysics, Nuclear ; Physics, Particles & Fields ; Physics, Mathematical
WOS IDWOS:000370298300002
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Peoples R China
2.Nanjing Univ, Sch Astron & Space Sci, Nanjing 210093, Jiangsu, Peoples R China
3.Shanghai Key Lab Space Nav & Posit Tech, Shanghai 200030, Peoples R China
Recommended Citation
GB/T 7714
Deng, Xue-Mei,Xie, Yi. New upper limits of a braneworld model with recent Solar System tests[J]. MODERN PHYSICS LETTERS A,2016,31(5).
APA Deng, Xue-Mei,&Xie, Yi.(2016).New upper limits of a braneworld model with recent Solar System tests.MODERN PHYSICS LETTERS A,31(5).
MLA Deng, Xue-Mei,et al."New upper limits of a braneworld model with recent Solar System tests".MODERN PHYSICS LETTERS A 31.5(2016).
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