Closed conformal Killing-Yano tensor and Kerr-NUT-de Sitter spacetime uniqueness

Understand

We study spacetimes with a closed conformal Killing-Yano tensor.

• It is shown that the D-dimensional Kerr-NUT-de Sitter spacetime constructed by Chen-Lu-Pope is the only spacetime admitting a rank-2 closed conformal Killing-Yano tensor with a certain symmetry.