Massless geodesics in $Ad{S}_5\times Y(p,q)$ as a superintegrable system

Abstract

A Carter like constant for the geodesic motion in the $Y(p,q)$ Einstein-Sasaki geometries is presented. This constant is functionally independent with respect to the five known constants for the geometry. Since the geometry is five dimensional and the number of independent constants of motion is at least six, the geodesic equations are superintegrable. We point out that this result applies to the configuration of massless geodesic in $Ad{S}_5\times Y(p,q)$ studied by Benvenuti and Kruczenski, which are matched to long BPS operators in the dual N=1 supersymmetric gauge theory.

20 pages, no figures. Small misprint is corrected in the Killing-Yano tensor. No change in any result or conclusions

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Cited by in corpus (1)

• New integrable coset sigma models