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Mathematical Formulation of the No-Go Theorem in Horndeski Theory
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Searching for Wormholes Beyond Horndeski Theories

1
Institute for Nuclear Research of the Russian Academy of Sciences, 60th October Anniversary Prospect, 7a, 117312 Moscow, Russia
2
Department of Particle Physics and Cosmology, Physics Faculty, M.V. Lomonosov Moscow State University, Vorobjevy Gory, 119991 Moscow, Russia
This paper is based on the talk at the 7th International Conference on New Frontiers in Physics (ICNFP 2018), Crete, Greece, 4–12 July 2018.
Universe 2019, 5(2), 54; https://doi.org/10.3390/universe5020054
Received: 31 December 2018 / Revised: 1 February 2019 / Accepted: 2 February 2019 / Published: 5 February 2019
We discuss whether it is possible to construct a stable, static, spherically symmetric Lorentzian wormhole in beyond Horndeski theory. The deep analogy between the cosmological bounce and wormhole scenarios is described in detail. We show explicitly that going beyond Horndeski enables one to evade the no-go theorem formulated for the wormholes in the general Horndeski case. View Full-Text
Keywords: beyond Horndeski; Lorentzian wormholes; stability; cosmological bounce; ghosts; gradient instabilities beyond Horndeski; Lorentzian wormholes; stability; cosmological bounce; ghosts; gradient instabilities
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Volkova, V. Searching for Wormholes Beyond Horndeski Theories. Universe 2019, 5, 54.

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