Instability of wormholes with a nonminimally coupled scalar field
2001
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Abstract: (arXiv)
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.- wormhole: stability
- field theory: scalar
- gravitation: fundamental constant
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