New progress in the stationary D=N=4 supergravity

Details New progress in the stationary D=N=4 supergravity New progress in the stationary D=N=4 supergravity

2001-10-23

arxiv.org/abs/gr-qc/0110094v1

Mod.Phys.Lett. A16 (2001) 2221-2230

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

12 pages in LATEX

Scientific paper

10.1142/S0217732301005667

A bosonic sector of the four-dimensional low-energy heterotic string theory with two Abelian gauge fields is considered in the stationary case. A new 4X4 unitary null-curvature matrix representation of the theory is derived and the corresponding formulation based on the use of a new 2X2 Ernst type matrix complex potential is developed. The group of hidden symmetries is described and classified in the matrix-valued quasi General Relativity form. A subgroup of charging symmetries is constructed and representation which transforms linearly under the action of this symmetry subgroup is established. Also the solution generation procedure based on the application of the total charging symmetry subgroup to the stationary Einstein-Maxwell theory is analyzed.

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