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arxiv: gr-qc/0201083 · v2 · submitted 2002-01-24 · 🌀 gr-qc

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Instability of wormholes with a nonminimally coupled scalar field

K.A. Bronnikov , S. Grinyok (PFUR , Moscow)
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classification 🌀 gr-qc
keywords coupledinstabilitynonminimallyscalarsphericallysymmetricwormholesblowing-up
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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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