A definition for time in quantum cosmology |
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| Authors: | T Padmanabhan |
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| Affiliation: | (1) Theoretical Astrophysics Group, Tata Institute of Fundamental Research, Homi Bhabha Road, 400 005 Bombay, India |
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| Abstract: | A definition for the intrinsic time co-ordinate is proposed, using the phase of the wave function of the universe. This definition generalizes the notion of time co-ordinate which arises in the semiclassical cosmology. It also leads to acceptable results for the evaluation of expectation values of physical variables. |
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| Keywords: | Quantum cosmology quantum gravity time mini superspace early universe |
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