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DTSTART;TZID=Europe/Madrid:20260319T120000
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CREATED:20260313T185336Z
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SUMMARY:SPS Journal Club: 'Axion-Scalar Systems and Dynamical Distances'
DESCRIPTION:Strings\, Pheno and the Swampland (SPS) Journal Club  \nSpeaker: Gonzalo F. Casas (IFT) \nTitle: ‘Axion-Scalar Systems and Dynamical Distances’ \nAbstract: We study the cosmology of axion-scalar pairs\, coupled by a hyperbolic field-space metric and with a string-motivated rational scalar potential. Borrowing tools from the theory of dynamical systems\, we are able to classify all late-time trajectories and extract physical properties of the asymptotic solutions. These results suggest a Dynamical Distance Conjecture: along the physical (possibly non-geodesic) trajectories\, towers of states become exponentially light as a function of the traversed field-space distance. We further rule out possible counterexamples with wildly oscillating solutions. The considered axion-scalar systems are realized in F-theory compactifications\, where the axion-scalar pair is a complex-structure modulus and four-form fluxes induce the asymptotic potentials. We also provide a complete Hodge-theoretic classification of all one-modulus asymptotic potentials of this type.
URL:https://www.ift.uam-csic.es/event/sps-journal-club-axion-scalar-systems-and-dynamical-distances/
CATEGORIES:Journal clubs,Scientific activities
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