Oscillating soliton stars

Edward Seidel and Wai-Mo Suen
Phys. Rev. Lett. 66, 1659 – Published 1 April 1991
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Abstract

We study a new type of self-gravitating object, described by a soliton solution to the coupled system of the Einstein equation and a matter field equation. The solution describing the self-gravitating object is not static but, instead, is periodic, with both the spacetime geometry and the matter field oscillating in time. In particular, we show that a system described by a real scalar field gμνφ;μν-m2φ=0 admits such a solution, which is stable under perturbations. The existence of such objects could have important implications for astrophysics and cosmology.

  • Received 26 December 1990

DOI:https://doi.org/10.1103/PhysRevLett.66.1659

©1991 American Physical Society

Authors & Affiliations

Edward Seidel

  • National Center for Supercomputing Applications, Beckman Institute, Urbana, Illinois 61801

Wai-Mo Suen

  • Department of Physics, Washington University, St. Louis, Missouri 63130

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Issue

Vol. 66, Iss. 13 — 1 April 1991

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