T-duality and spacetime supersymmetry

Abstract

We analyze in detail the possible breaking of spacetime supersymmetry under T-duality transformations. We find that when appropiate world-sheet effects are taken into account apparent puzzles concerning supersymmetry in spacetime are solved. We study T-duality in general heterotic $\sigma$-models analyzing possible anomalies, and we find some modifications of Buscher's rules. We then work out a simple but representative example which contains most of the difficulties. We also consider the issue of supersymmetry versus duality for marginal deformations of WZW models and present a mechanism that restores supersymmetry dynamically in the effective theory.

28 pages, harvmac/ a few corrections and references added; to appear in Nuclear Physics B

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• Penrose Limits, PP-Waves and Deformed M2-branes
• Non--Abelian Duality, Parafermions and Supersymmetry
• Super D-Helix
• Poisson-Lie T-Duality and Supersymmetry
• Supersymmetric Black Holes in $N=8$ Supergravity
• A Generalized Duality Symmetry for Nonabelian Yang-Mills Fields
• T-Duality and Non-Local Supersymmetries
• Aspects of T-duality in Open Strings
• Supersymmetry of Massive D=9 Supergravity
• Physical Consequences of Nonabelian Duality in the Standard Model
• Symmetries, Currents and Conservation Laws of Self-Dual Gravity
• String vacua with flux from freely-acting obifolds
• T-Duality in Arbitrary String Backgrounds
• Melvin Background in Heterotic Theories
• Geometry and Duality in Supersymmetric sigma-Models
• Duality and Restoration of Manifest Supersymmetry
• On integrable models from pp-wave string backgrounds
• Global half-BPS $Ad{S}_2\times S^6$ solutions in Type IIB
• Supersymmetry and Dualities
• A Note on T-duality in Heterotic String Theory
• Relating Conifold Geometries to NS5-branes
• Superfield T-duality rules
• Renormalization group flows and continual Lie algebras
• T-duality transformations for the NS5-brane along angular directions
• T-dualising the Deformed and Resolved Conifold
• Heterotic T-Duality and the Renormalization Group
• Global aspects of the renormalization group and the Hierarchy problem
• T-Duality without Quantum Corrections
• Rudiments of Dual Feynman Rules for Yang-Mills Monopoles in Loop Space
• Comments on Dualities on Group Manifolds and Supersymmetry
• Transformation of Black-Hole Hair under Duality and Supersymmetry
• Probes in fluxbranes and supersymmetry breaking through Hodge-duality