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- W2081303608 abstract "The problem of how to put interactions in two-dimensional quantum gravity in the strong coupling regime is studied. It shows that the most general interaction consistent with this symmetry is a Liouville term that contains two parameters (ensuremath{alpha},ensuremath{beta}) satisfying the algebraic relation 2ensuremath{beta}-ensuremath{alpha}=2 in order to assure the closure of the diffeomorphism algebra. The model is classically soluble and it contains as a general solution the temporal singularity. The theory is quantized and we show that the propagation amplitude falls to zero in ensuremath{tau}=0. This result shows that the classical singularities are smoothed by quantum effects and the big-bang concept could be considered as a classical extrapolation instead of a physical concept. textcopyright{} 1996 The American Physical Society." @default.
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- W2081303608 date "1996-06-15" @default.
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- W2081303608 title "Initial singularity problem in two-dimensional quantum cosmology" @default.
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- W2081303608 doi "https://doi.org/10.1103/physrevd.53.6991" @default.
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