Bubbles of Nothing and the Fastest Decay in the Landscape

Details Bubbles of Nothing and the Fastest Decay in the Landscape Bubbles of Nothing and the Fastest Decay in the Landscape

2010-10-25

arxiv.org/abs/1010.5240v2

Phys.Rev.D84:043518,2011

Physics

High Energy Physics

High Energy Physics - Theory

18 pages, 8 figures; v2: minor changes

Scientific paper

10.1103/PhysRevD.84.043518

The rate and manner of vacuum decay are calculated in an explicit flux compactification, including all thick-wall and gravitational effects. For landscapes built of many units of a single flux, the fastest decay is usually to discharge just one unit. By contrast, for landscapes built of a single unit each of many different fluxes, the fastest decay is usually to discharge all the flux at once, which destabilizes the radion and begets a bubble of nothing. By constructing the bubble of nothing as the limit in which ever more flux is removed, we gain new insight into the bubble's appearance. Finally, we describe a new instanton that mediates simultaneous flux tunneling and decompactification. Our model is the thin-brane approximation to six-dimensional Einstein-Maxwell theory.

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