Energy absorption by the dilaton waves around a rotating black hole in a binary system

Journal Article · Mon Nov 01 00:00:00 EST 1999 · Physical Review, D

DOI:https://doi.org/10.1103/PhysRevD.60.104017· OSTI ID:690764

Casadio, R ^[1]; Harms, B ^[2]

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1. Dipartimento di Fisica, Universita di Bologna, and I.N.F.N., Sezione di Bologna, via Irnerio 46, 40126 Bologna (Italy)
2. Department of Physics and Astronomy, The University of Alabama, Box 870324, Tuscaloosa, Alabama 35487-0324 (United States)

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 waves 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. {copyright} {ital 1999} {ital The American Physical Society}

• OSTI ID: 690764
• Journal Information: Physical Review, D, Vol. 60, Issue 10; Other Information: PBD: Nov 1999
• Country of Publication: United States
• Language: English

Related Subjects

66 PHYSICS
BLACK HOLES
BINARY STARS
STRING MODELS
STELLAR RADIATION
KERR METRIC
ELECTROMAGNETIC RADIATION
QUANTUM GRAVITY