Generalized Killing-Yano equations in D=5 gauged supergravity

Details Generalized Killing-Yano equations in D=5 gauged supergravity Generalized Killing-Yano equations in D=5 gauged supergravity

2009-05-06

arxiv.org/abs/0905.0722v3

Phys.Lett.B678:240-245,2009

Physics

High Energy Physics

High Energy Physics - Theory

8 pages, no figures, v3:a few corrections and improvements (mainly in the appendix) in accordance with arXiv:1002.3616

Scientific paper

We propose a generalization of the (conformal) Killing-Yano equations relevant to D=5 minimal gauged supergravity. The generalization stems from the fact that the dual of the Maxwell flux, the 3-form *F, couples naturally to particles in the background as a `torsion'. Killing-Yano tensors in the presence of torsion preserve most of the properties of the standard Killing-Yano tensors, exploited recently for the higher-dimensional rotating black holes of vacuum gravity with cosmological constant. In particular, the generalized closed conformal Killing-Yano 2-form gives rise to the tower of generalized closed conformal Killing-Yano tensors of increasing rank which in turn generate the tower of Killing tensors. An example of a generalized Killing-Yano tensor is found for the Chong-Cvetic-Lu-Pope black hole spacetime [hepth/0506029]. Such a tensor stands behind the separability of the Hamilton-Jacobi, Klein-Gordon, and Dirac equations in this background.

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