New bubble decays in Kaluza-Klein theories | Zendy

Jaume López-Carballo | Zendy; Jorge G. Russo | Zendy

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New bubble decays in Kaluza-Klein theories

Author(s) -

Jaume López-Carballo,

Jorge G. Russo

Publication year - 2005

Publication title -

journal of high energy physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.998

H-Index - 261

eISSN - 1126-6708

pISSN - 1029-8479

DOI - 10.1088/1126-6708/2005/08/053

Subject(s) - instanton , kaluza–klein theory , physics , torus , false vacuum , bubble , string (physics) , einstein , particle physics , theoretical physics , mathematical physics , quantum electrodynamics , geometry , mechanics , mathematics

We describe new bubble decays in pure D+1 dimensional Einstein theory withtwo compact directions. The instanton solution is constructed by analyticcontinuation of the Kaluza-Klein electrically charged black hole solution. Weshow that the instanton describes the decay of a Kaluza-Klein vacuum M^{D-1} xT^2 with a non-vanishing torus tilt parameter. The decay is produced by thecreation of a bubble of nothing which expands with time. We compute theinstanton action, which shows that this Kaluza-Klein vacuum becomes more stableas the torus tilt parameter is increased. As an application, we consider thedecay of M-theory torus compactifications leading to type 0A/0B stringtheories.Comment: 15 page

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