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Universality of free fall versus ephemeris

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arxiv 1705.05244 v1 pith:KVK22DZ5 submitted 2017-05-15 gr-qc

Universality of free fall versus ephemeris

Olivier Minazzoli , L\'eo Bernus , Agn\`es Fienga , Aur\'elien Hees , Jacques Laskar , Vishnu Viswanathan This is my paper
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keywords fallfreeuniversalityephemerisappearbeenconstraindevelopments
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When a light scalar field with gravitational strength interacts with matter, the weak equivalence principle is in general violated, leading for instance to a violation of the universality of free fall. This has been known and tested for a while. However, recent developments [Minazzoli & Hees, PRD 2016] showed that a novel manifestation of the universality of free fall can appear in some models. Here we discuss this new scenario and expose how we intend to constrain it with INPOP ephemeris.

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