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A bstractWe detail the construction of the exceptional sigma model, which describes a string propagating in the “extended spacetime” of exceptional field theory. This is to U-duality as the doubled… Click to show full abstract
A bstractWe detail the construction of the exceptional sigma model, which describes a string propagating in the “extended spacetime” of exceptional field theory. This is to U-duality as the doubled sigma model is to T-duality. Symmetry specifies the Weylinvariant Lagrangian uniquely and we show how it reduces to the correct 10-dimensional string Lagrangians. We also consider the inclusion of a Fradkin-Tseytlin (or generalised dilaton) coupling as well as a reformulation with dynamical tension.
Keywords:
model;
exceptional sigma;
sigma model
Journal Title: Journal of High Energy Physics
Year Published: 2018
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Journal Title: Journal of High Energy Physics
Year Published: 2018
Link to full text (if available)
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recommendations!