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Giant Leaps and Minimal Branes in Multi-Dimensional Flux Landscapes · Around

2010

Giant Leaps and Minimal Branes in Multi-Dimensional Flux Landscapes

Brown, Adam R., Dahlen, Alex

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Understand

There is a standard story about decay in multi-dimensional flux landscapes: that from any state, the fastest decay is to take a small step, discharging one flux unit at a time; that fluxes with the same coupling constant are interchangeable; and that states with N units of a given flux have the same decay rate as those with -N.

We show that this standard story is false.
The fastest decay is a giant leap that discharges many different fluxes in unison; this decay is mediated by a 'minimal' brane that wraps the internal manifold and exhibits behavior not visible in the effective theory.
We discuss the implications for the cosmological constant.

Built on

R. Osserman, “Survey of Minimal Surfaces,” Van Nostrand Reinhold Press
1969
Earlier work this paper cites.
S. R. Coleman and F. De Luccia, Phys. Rev. D 21
1980
Earlier work this paper cites.
S. R. Coleman, “The Fate Of The False Vacuum. 1. Semiclassical Theory,” Phys. Rev. D 15
1988
Earlier work this paper cites.
A. Hashimoto and W. Taylor, “Fluctuation spectra of tilted and intersecting D-branes from the Born-Infeld action,” Nucl. Phys. B 503
1997
Earlier work this paper cites.

Similar

R. Bousso and J. Polchinski, “Quantization of four-form fluxes and dynamical neutralization of the cosmological constant,” JHEP 0006
2000
Cited alongside, same era.
C. V. Johnson, “D-Branes,” Chapter 11, Cambridge University Press
2003
Cited alongside, same era.
J. Garriga and A. Megevand, “Coincident brane nucleation and the neutralization of Lambda,” Phys. Rev. D 69
2004
Cited alongside, same era.
D. Schwartz-Perlov and A. Vilenkin, “Probabilities in the Bousso-Polchinski multiverse,” JCAP 0606
Original
2006
Cited alongside, same era.

Then

T. Clifton, S. Shenker and N. Sivanandam, “Volume Weighted Measures of Eternal Inflation in the Bousso-Polchinski Landscape,” JHEP 0709
Original
2008
Later among the works it cites.
A. R. Brown and A. Dahlen, “Small Steps and Giant Leaps in the Landscape,” Phys. Rev. D 82
Original
2010
Closest in time.
A. R. Brown and A. Dahlen, “Bubbles of Nothing and the Fastest Decay in the Landscape,” Phys. Rev. D 84
Original
2011
Closest in time.

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