Aspects of the Doubled Worldsheet

Abstract

We clarify the relation between various approaches to the manifestly T-duality symmetric string. We explain in detail how the PST covariant doubled string arises from an unusual gauge fixing. We pay careful attention to the role of "spectator" fields in this process and also show how the T-duality invariant doubled dilaton emerges naturally. We extend these ideas to non-Abelian T-duality and show they give rise to the duality invariant formalism based on the semi-Abelian Drinfeld Double. We then develop the N=(0,1) supersymmetric duality invariant formalism.

arXiv comment29 pages; v2: references corrected in introduction; v3: matches journal version, references added, very minor changes to text

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Cited by in corpus (12)

• Non-geometric backgrounds in string theory
• The Geometry, Branes and Applications of Exceptional Field Theory
• Generalised fluxes, Yang-Baxter deformations and the O(d,d) structure of non-abelian T-duality
• Local $\beta$-deformations and Yang-Baxter sigma model
• The Exceptional Sigma Model
• On current algebras, generalised fluxes and non-geometry
• Unifying Approaches to Chiral Bosons
• Exceptional M-brane sigma models and $\eta$-symbols
• Particle actions and brane tensions from double and exceptional geometry
• Old Dualities and New Anomalies
• O-folds: Orientifolds and Orbifolds in Exceptional Field Theory
• Doubled space and extended supersymmetry