A tensor-vector-scalar framework for modified dynamics and cosmic dark matter

Details A tensor-vector-scalar framework for modified dynamics and cosmic dark matter A tensor-vector-scalar framework for modified dynamics and cosmic dark matter

2005-02-10

arxiv.org/abs/astro-ph/0502222v2

Mon.Not.Roy.Astron.Soc. 363 (2005) 459

Astronomy and Astrophysics

Astrophysics

minor corrections, numerical error corrected in eq. 37 and subsequent equations, accepted MNRAS

Scientific paper

10.1111/j.1365-2966.2005.09375.x

I describe a tensor-vector-scalar theory that reconciles the galaxy scale success of modified Newtonian dynamics (MOND) with the cosmological scale evidence for CDM. The theory provides a cosmological basis for MOND in the sense that the predicted phenomenology only arises in a cosmological background. The theory contains an evolving effective potential, and scalar field oscillations in this potential comprise the cold dark matter; the de Broglie wavelength of these soft bosons, however, is sufficiently large that they cannot accumulate in galaxies. The theory predicts, inevitably, a constant anomalous acceleration in the outer solar system which, depending upon the choice of parameters, can be consistent with that detected by the Pioneer spacecrafts.

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