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Multi-dimensional classical and quantum cosmology: Exact solutions, signature transition and stabilization

JOURNAL OF HIGH ENERGY PHYSICS, (2003)

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We study the classical and quantum cosmology of a (4 + d)-dimensional space-time minimally coupled to a scalar field and present exact solutions for the resulting field equations for the case where the universe is spatially flat. These solutions exhibit signature transition from a euclidean to a lorentzian domain and lead to stabilization...更多

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