paper

Integrability and non-Integrability in N=2 SCFTs and their Holographic Backgrounds

arXiv:1804.08621 · doi:10.1007/JHEP07(2018)044

Abstract

We show that the string worldsheet theory of Gaiotto-Maldacena holographic duals to N=2 superconformal field theories generically fails to be classically integrable. We demonstrate numerically that the dynamics of a winding string configuration possesses a non-vanishing Lyapunov exponent. Furthermore an analytic study of the Normal Variational Equation fails to yield a Liouvillian solution. An exception to the generic non-integrability of such backgrounds is provided by the non-Abelian T-dual of . Here by virtue of the canonical transformation nature of the T-duality classical integrability is known to be present.

20 pages plus appendices. Various figures. References added

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