Motion of a test body in the presence of an external scalar field which respects the weak equivalence principle

Details Motion of a test body in the presence of an external scalar field which respects the weak equivalence principle Motion of a test body in the presence of an external scalar field which respects the weak equivalence principle

2004-02-19

arxiv.org/abs/gr-qc/0402084v1

Acta Cosmologica 24:127-148,1998

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

13 pages, proceedings of the international conference "Conceptions of space in physics", 29 September - 3 October 1997, Les Ho

Scientific paper

It is shown that the main contribution to the rotational curve of a spiral galaxy may be due essentially to the interaction, in the general relativistic spacetime, of the galactic matter with a very light long range scalar field which respects the weak equivalence principle. The comparison of the theoretical results with 23 spiral galaxy rotation curves shows a good agreement between our proposal and observations.

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