Gravitational memory of boson stars

Details Gravitational memory of boson stars Gravitational memory of boson stars

1997-10-08

arxiv.org/abs/gr-qc/9710048v2

Phys.Rev. D57 (1998) 4821-4825

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

5 pages RevTeX file with three figures incorporated (uses RevTeX and epsf). Minor changes to match accepted version

Scientific paper

10.1103/PhysRevD.57.4821

`Gravitational memory' refers to the possibility that, in cosmologies with a time-varying gravitational `constant', objects such as black holes may retain a memory of conditions at the time of their birth. We consider this phenomenon in a different physical scenario, where the objects under consideration are boson stars. We construct boson star solutions in scalar-tensor gravity theories, and consider their dependence on the asymptotic value of the gravitational strength. We then discuss several possible physical interpretations, including the concept of pure gravitational stellar evolution.

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