Oscillating soliton stars

Seidel, E.; Suen, W.M.

doi:10.1103/PhysRevLett.66.1659

Oscillating soliton stars

E. Seidel
(
- Illinois U., Urbana
)
,
W.M. Suen
(
- Washington U., St. Louis
)

1991

4 pages

Published in:

Phys.Rev.Lett. 66 (1991) 1659-1662

DOI:

10.1103/PhysRevLett.66.1659

View in:

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Abstract: (APS)

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.

astrophysics
Einstein equation: soliton
field equations: soliton
matter: soliton
field theory: scalar

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