Mirror Images of String Cosmologies

Details Mirror Images of String Cosmologies Mirror Images of String Cosmologies

1999-05-11

arxiv.org/abs/gr-qc/9905035v1

Class.Quant.Grav.15:L77-L84,1999

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

10 pages plain latex

Scientific paper

10.1088/0264-9381/15/11/002

A discrete symmetry of the four-dimensional string effective action is employed to derive spatially homogeneous and inhomogeneous string cosmologies from vacuum solutions of general relativity that admit two commuting spacelike Killing vectors. In particular, a tilted Bianchi type V cosmology is generated from a vacuum type VI_h solution and a plane wave solution with a bounded and oscillating dilaton field is found from a type ${\rm VII}_h$ model. Further applications are briefly discussed.

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