Scalar Field Models: From the Pioneer Anomaly to Astrophysical Constraints

Details Scalar Field Models: From the Pioneer Anomaly to Astrophysical Constraints Scalar Field Models: From the Pioneer Anomaly to Astrophysical Constraints

2005-05-17

arxiv.org/abs/astro-ph/0505337v1

Astronomy and Astrophysics

Astrophysics

Seven pages, one figure. To be published in the Proceedings of the New Worlds in Astroparticle Physics '05, Faro, Portugal

Scientific paper

In this work we study how scalar fields may affect solar observables, and use
the constraint on the Sun's central temperature to extract bounds on the
parameters of relevant models. Also, a scalar field driven by a suitable
potential is shown to produce an anomalous acceleration similar to the one
found in the Pioneer anomaly.

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