Nonrelativistic strings and the limits of $\mathcal{N}=2$ dualities

Abstract

We carry out the formulation of nonrelativistic (NR) F-string theory for $\mathcal{N}=2$ Gaiotto-Maldacena class of geometries in type IIA supergravity. Considering the NS-NS sector, we reduce the type IIA theory into the NR sigma models those are formulated over the nonrelativistic target space geometries known as the torsional String Newton-Cartan (TSNC) backgrounds. Using these TSNC data, we write down the sigma model action and explore several properties in the semiclassical limit. In particular, we carry out the \emph{canonical} analysis of the T-duality transformation rules in TSNC background. Following the standard canonical prescription of obtaining T-duality transformations, we map these TSNC sigma models to relativistic sigma models propagating over general relativity backgrounds. Finally, we conclude with a detailed discussion on the effects of adding \emph{flavour} branes and thereby taking the corresponding TSNC limit in the bulk description of $\mathcal{N}=2$ quivers. We compute various field theory observables in the nonrelativistic limit and outline the structure of the NR Lagrangian following the light cone reduction of $\mathcal{N}=2$ SYM theory.

v2 Accepted by JHEP

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