Vacuum Selection from Cosmology on Networks of String Geometries

Jonathan Carifio, William J. Cunningham, James Halverson, Dmitri Krioukov, Cody Long, and Brent D. Nelson
Phys. Rev. Lett.
121, 101602
September 4, 2018


We introduce network science as a framework for studying the string landscape. Two large networks of string geometries are constructed, where nodes are extra-dimensional six-manifolds and edges represent topological transitions between them. We show that a standard bubble cosmology model on the networks has late-time behavior determined by the largest eigenvector of (L+D), where L and D are the Laplacian and degree matrices of the networks, which provides a dynamical mechanism for vacuum selection in the string landscape.

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