Scalar field and gravitational instability

Details Scalar field and gravitational instability Scalar field and gravitational instability

Sep 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979gregr..11...13b&link_type=abstract

General Relativity and Gravitation, vol. 11, Sept. 1979, p. 13-18.

Astronomy and Astrophysics

Astronomy

4

Gravitation Theory, Perturbation Theory, Relativity, Scalars, Astronomical Models, Monopoles, Schroedinger Equation, Vacuum

Scientific paper

We study monopole perturbations of spherically symmetric scalar-vacuum and scalar-electrovacuum fields in general relativity and reduce the problem to a one-dimensional Schroedinger-like equation with a certain effective potential. Imposing certain boundary conditions, we select physically meaningful perturbations. Some of them grow exponentially and we conclude that the background system is unstable.

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