Energy Absorption by the Dilaton Field around a Rotating Black Hole in a Binary System

Details Energy Absorption by the Dilaton Field around a Rotating Black Hole in a Binary System Energy Absorption by the Dilaton Field around a Rotating Black Hole in a Binary System

1999-06-10

arxiv.org/abs/gr-qc/9906034v1

Phys.Rev.D60:104017,1999

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

REVTeX, 13 pages, 3 figures

Scientific paper

10.1103/PhysRevD.60.104017

In this paper we analyze a binary system consisting of a star and a rotating black hole. The electromagnetic radiation emitted by the star interacts with the background of the black hole and stimulates the production of dilaton waves. We then estimate the energy transferred from the electromagnetic radiation of the star to the dilaton field as a function of the frequency. The resulting picture is a testable signature of the existence of dilaton fields as predicted by string theory in an astrophysical context.

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