4 papers
Symmetries, anomalies, and dualities of two-dimensional Non-Linear Sigma Models
Guillermo Arias-Tamargo, Maxwell L. Velásquez Cotini Hutt
We analyse the global symmetry structure of two-dimensional Non-Linear Sigma Models with Wess-Zumino term. When the target space has a compact isometry without fixed points, the th…
Non-invertible symmetries of two-dimensional Non-Linear Sigma Models
Guillermo Arias-Tamargo, Chris Hull, Maxwell L. Velásquez Cotini Hutt
Global symmetries can be generalised to transformations generated by topological operators, including cases in which the topological operator does not have an inverse. A family of…
Gravitational currents and charges from conformal Killing-Yano tensors
Chris Hull, Ulf Lindström, Maxwell L. Velásquez Cotini Hutt
We construct a set of higher-form conserved currents on spacetimes admitting conformal Killing-Yano tensors. We find relations between these currents that allow the charge given by…
Gauge-invariant charges of the dual graviton
Chris Hull, Ulf Lindström, Maxwell L. Velásquez Cotini Hutt
The free graviton theory given by linearising Einstein's theory has a dual formulation in terms of a dual graviton field. The dual graviton theory has two gauge invariances giving…