General Kerr–NUT–AdS metrics in all dimensions

By W. Chen, Hsueh-I Lu, C. Pope, G. P, C. Mitchell. 2006

247 citations recorded by the source corpus.

The Kerr–AdS metric in dimension D has cohomogeneity [D/2]; the metric components depend on the radial coordinate r and [D/2] latitude variables μi that are subject to the constraint ∑iμ2i = 1. We find a coordinate reparametrization in which the μi variables are replaced by [D/2] − 1 unconstrained coordinates yα, and having the remarkable property that the Kerr–AdS metric becomes diagonal in the coordinate differentials dyα. The coordinates r and yα now appear in a very symmetrical way in the metric, leading to an immediate generalization in which we can introduce [D/2] − 1 NUT parameters. We find that (D − 5)/2 are non-trivial in odd dimensions whilst (D − 2)/2 are non-trivial in even dimensions. This gives the most general Kerr–NUT–AdS metric in D dimensions. We find that in all dimensions D ⩾ 4, there exist discrete symmetries that involve inverting a rotation parameter through the AdS radius. These symmetries imply that Kerr–NUT–AdS metrics with over-rotating parameters are equivalent to under-rotating metrics. We also consider the BPS limit of the Kerr–NUT–AdS metrics, and thereby obtain, in odd dimensions and after Euclideanization, new families of Einstein–Sasaki metrics.

Subfields: Nuclear and High Energy Physics, Statistical and Nonlinear Physics

View Paper: https://www.semanticscholar.org/paper/2b41b8b579c044959d8b1346b0f9d0ccc6ff2ddd

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In Nuclear and High Energy Physics

  1. A. Luna
  2. Chris D. White
  3. D. O’Connell
  4. R. Monteiro
  5. N. Bahjat-Abbas
  6. Jennie Traschen
  7. David Kastor
  8. Sourya Ray

In Statistical and Nonlinear Physics

  1. A. Luna
  2. D. O’Connell
  3. Chris D. White
  4. R. Monteiro
  5. N. Bahjat-Abbas
  6. Sourya Ray
  7. Jennie Traschen
  8. David Kastor

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