Quaternionic Extension of the Double Taub-NUT Metric
arXiv:hep-th/0104078 · doi:10.1016/S0370-2693(01)00537-8
Abstract
Starting from the generic harmonic superspace action of the quaternion-Kähler sigma models and using the quotient approach we present, in an explicit form, a quaternion-Kähler extension of the double Taub-NUT metric. It possesses isometry and supplies a new example of non-homogeneous Einstein metric with self-dual Weyl tensor.
12 pages, 0 figure, latex file, to appear in Phys. Lett.B, reference corrected, Dubna preprint number added
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