Scale Factor Duality and Hidden Supersymmetry in Scalar--Tensor Cosmology

Details Scale Factor Duality and Hidden Supersymmetry in Scalar--Tensor Cosmology Scale Factor Duality and Hidden Supersymmetry in Scalar--Tensor Cosmology

1995-10-10

arxiv.org/abs/gr-qc/9510017v1

Phys.Rev. D52 (1995) 5407-5411

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

10 pages, latex, To appear in Phys. Rev. D15 Rapid Communications

Scientific paper

10.1103/PhysRevD.52.R5407

It is shown that spatially flat, isotropic cosmologies derived from the Brans--Dicke gravity action exhibit a scale factor duality invariance. This classical duality is then associated with a hidden $N=2$ supersymmetry at the quantum level and the supersymmetric quantum constraints are solved exactly. These symmetries also apply to a dimensionally reduced version of vacuum Einstein gravity.

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