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Ehlers--Harrison--Type Transformations in Dilaton--Axion Gravity

D. V. Gal'tsov, O. V. Kechkin

hep-tharXiv:hep-th/9407155

Abstract

The ten--parametric internal symmetry group is found in the D=4 Einstein--Maxwell--Dilaton--Axion theory restricted to space--times admitting a Killing vector field. The group includes dilaton--axion SL(2,R) duality and Harrison--type transformations which are similar to some target--space duality boosts, but act on a different set of variables. New symmetry is used to derive a seven--parametric family of rotating dilaton--axion Taub--NUT dyons.

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