Dynamical Vacuum Selection in String Theory
David Kutasov, Oleg Lunin, Jock McOrist, Andrew B. Royston
TL;DR
This paper investigates how early universe cosmology influences a system of intersecting D-branes and NS5-branes, leading it to settle into a specific long-lived supersymmetry breaking vacuum.
Contribution
It demonstrates that cosmological evolution can select a particular metastable supersymmetry breaking vacuum in a complex D-brane landscape.
Findings
Cosmology drives the system to a long-lived metastable vacuum.
The landscape includes both supersymmetric and supersymmetry breaking vacua.
Early universe dynamics influence vacuum selection in string theory setups.
Abstract
We study a system of D-branes localized near an intersection of Neveu-Schwarz fivebranes, that is known to exhibit a landscape of supersymmetric and (metastable) supersymmetry breaking vacua. We show that early universe cosmology drives it to a particular long-lived supersymmetry breaking ground state.
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