M. C. Bento, Orfeu Bertolami
Abstract
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We consider the minisuperspace model arising from the lowest-order string effective action containing the graviton and the dilaton and study solutions of the resulting Wheeler--DeWitt equation. We discuss the role of the scale-factor duality symmetry in the context of our quantum cosmological model.
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We consider the minisuperspace model arising from the lowest-order string effective action containing the graviton and the dilaton and study solutions of the resulting Wheeler--DeWitt equation. We discuss the role of the scale-factor duality symmetry in the context of our quantum cosmological model.
Key concepts: Minisuperspace, Physics, Dilaton, Graviton, Wheeler–DeWitt equation, Duality (order theory), Scale factor (cosmology), Theoretical physics