The NUT in the N=2 Superalgebra

Details The NUT in the N=2 Superalgebra The NUT in the N=2 Superalgebra

2009-08-02

arxiv.org/abs/0908.0121v3

Class.Quant.Grav.27:035008,2010

Physics

High Energy Physics

High Energy Physics - Theory

28 pages, v3: final version

Scientific paper

10.1088/0264-9381/27/3/035008

We study how the supersymmetry algebra extension of N=2 supergravity with central charges describes the NUT charge in a duality-covariant way. The stationary BPS states of N=2 supergravity can be embedded in the flat space solution of the timelike reduced theory. Upon reduction, the Killing superalgebra extension and the global superalgebra of charges are described covariantly under the coset structure of the three-dimensional theory. The integral of the Nester-Witten form given by Gibbons and Hull for N=2 has a covariant generalization that includes the NUT charge.

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