Matrix Ernst potentials for EMDA with multiple vector fields

Details Matrix Ernst potentials for EMDA with multiple vector fields Matrix Ernst potentials for EMDA with multiple vector fields

1996-06-22

arxiv.org/abs/hep-th/9702039v1

Phys.Lett. B399 (1997) 250-257

Physics

High Energy Physics

High Energy Physics - Theory

Latex file, no figures

Scientific paper

10.1016/S0370-2693(97)00295-5

We show that the Einstein-Maxwell-Dilaton-Axion system with multiple vector fields (bosonic sector of the D=4, N=4 supergravity) restricted to spacetimes possessing a non-null Killing vector field admits a concise representation in terms of the Ernst-type matrix valued potentials. A constructive derivation of the SWIP solutions is given and a colliding waves counterpart of the DARN-NUT solution is obtained. SU(m,m) chiral representation of the two-dimensionally reduced system is derived and the corresponding Kramer-Neugebauer-type map is presented.

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