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Bubbles in Kaluza-Klein theories with spacelike or timelike internal dimensions

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region to the other. We also present a C-type solution that describes neutral bubbles in uniform acceleration, and we use it to construct an instanton that mediates the breaking of a cosmic string by forming bubbles at its ends. The rate for this process is also calculated. Finally, we argue that a similar solution can be constructed for magnetic bubbles, and that it can be used to describe a semiclassical instability of the two-timing vacuum against production of massless monopole pairs.

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Reproducció digital del document publicat en format paper, proporcionada per PROLA i http://dx.doi.org/10.1103/PhysRevD.55.754

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Articles publicats en revistes (Física de la Matèria Condensada)

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Bubbles in Kaluza-Klein theories with spacelike or timelike internal dimensions