Solutions for neutral axi-dilaton gravity in four dimensions

Dereli, Tekin and Önder, M. and Tucker, Robin (1995) Solutions for neutral axi-dilaton gravity in four dimensions. Classical and Quantum Gravity, 12 (4). L25-L29. ISSN 0264-9381

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We examine a one-parameter class of actions describing the gravitational interaction between a pair of scalar fields and Einsteinian gravitation. When the parameter is positive the theory corresponds to an axi-dilatonic sector of low-energy string theory. We exploit an SL(2,R) symmetry of the theory to construct a family of electromagnetically neutral solutions with non-zero axion and dilaton charge from solutions of the Brans--Dicke theory. We also comment on solutions to the theory with negative coupling parameter.

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Classical and Quantum Gravity
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07 Aug 2015 14:22
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22 Nov 2022 02:06