New Kaluza-Klein instantons and the decay of AdS vacua

New Kaluza-Klein instantons and the decay of AdS vacua

We construct a generalization of Witten’s Kaluza-Klein instanton, where a higher-dimensional sphere (rather than a circle as in Witten’s instanton) collapses to zero size and the geometry terminates at a bubble of nothing, in a low energy effective theory of M theory. We use the solution to exhibit...

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Veröffentlicht in:Physical review. D 2017-07, Vol.96 (2), Article 026016
Hauptverfasser: Ooguri, Hirosi, Spodyneiko, Lev
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Sprache:eng
Schlagworte:
Fluxes
Instantons
M theory
PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
Stability
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description We construct a generalization of Witten’s Kaluza-Klein instanton, where a higher-dimensional sphere (rather than a circle as in Witten’s instanton) collapses to zero size and the geometry terminates at a bubble of nothing, in a low energy effective theory of M theory. We use the solution to exhibit the instability of nonsupersymmetric AdS5 vacua in M theory compactified on positive Kähler-Einstein spaces, providing further evidence for the recent conjecture that any nonsupersymmetric anti–de Sitter vacuum supported by fluxes must be unstable.
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source American Physical Society Journals
subjects Fluxes
Instantons
M theory
PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
Stability
title New Kaluza-Klein instantons and the decay of AdS vacua
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