Scalar radiation from Chameleon-shielded regions

Details Scalar radiation from Chameleon-shielded regions Scalar radiation from Chameleon-shielded regions

2011-03-21

arxiv.org/abs/1103.4013v2

Phys.Rev.Lett.106:251101,2011

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

4 pages, 4 figures, slightly edited version matching the journal version

Scientific paper

10.1103/PhysRevLett.106.251101

I study the profile of the Chameleon field around a radially pulsating mass. Focusing on the case in which the background (static) Chameleon profile exhibits a thin-shell, I add small perturbations to the source in the form of time-dependent radial pulsations. It is found that the Chameleon field inherits a time-dependence, there is a resultant scalar radiation from the region of the source and the metric outside the spherically symmetric mass is not static. This has several interesting and potentially testable consequences.

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