Vacuum Selection from Cosmology on Networks of String Geometries

Vacuum Selection from Cosmology on Networks of String Geometries

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 netw...

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Veröffentlicht in:Physical review letters 2018-09, Vol.121 (10), p.101602-101602, Article 101602
Hauptverfasser: Carifio, Jonathan, Cunningham, William J, Halverson, James, Krioukov, Dmitri, Long, Cody, Nelson, Brent D
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Cosmology
Eigenvectors
Networks
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container_issue 10
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container_title Physical review letters
container_volume 121
creator Carifio, Jonathan
Cunningham, William J
Halverson, James
Krioukov, Dmitri
Long, Cody
Nelson, Brent D
description 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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source American Physical Society Journals; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals
subjects Cosmology
Eigenvectors
Networks
title Vacuum Selection from Cosmology on Networks of String Geometries
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