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Conference Paper

Wormhole creation by quantum tunnelling

MPS-Authors

Battarra,  Lorenzo
String Cosmology, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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Lavrelashvili,  George V.
Quantum Gravity and Unified Theories, AEI Golm, MPI for Gravitational Physics, Max Planck Society;

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Lehners,  Jean-Luc
String Cosmology, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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1603.08728.pdf
(Preprint), 140KB

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Citation

Battarra, L., Lavrelashvili, G. V., & Lehners, J.-L. (in preparation). Wormhole creation by quantum tunnelling.


Cite as: https://hdl.handle.net/11858/00-001M-0000-002A-C187-E
Abstract
We study the process of quantum tunnelling in self-interacting scalar field theories with non-minimal coupling to gravity. In these theories gravitational instantons can develop a neck -- a feature prohibited in theories with minimal coupling, and describing the nucleation of geometries containing a wormhole. We also clarify the relationship of neck geometries to violations of the null energy condition.