Instability of wormholes with a nonminimally coupled scalar field

Details Instability of wormholes with a nonminimally coupled scalar field Instability of wormholes with a nonminimally coupled scalar field

2002-01-24

arxiv.org/abs/gr-qc/0201083v2

Grav.Cosmol. 7 (2001) 297-300

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

Latex2e, 4 pages. Minor corrections, a reference added

Scientific paper

Static, spherically symmetric, traversable wormholes, induced by massless,
nonminimally coupled scalar fields in general relativity, are shown to be
unstable under spherically symmetric perturbations. The instability is related
to blowing-up of the effective gravitational constant on a certain sphere.

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