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2017

The Real No-Boundary Wave Function in Lorentzian Quantum Cosmology

Dorronsoro, Juan Diaz, Halliwell, Jonathan J., Hartle, James B. et al.

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It is shown that the standard no-boundary wave function has a natural expression in terms of a Lorentzian path integral with its contour defined by Picard-Lefschetz theory.

The wave function is real, satisfies the Wheeler-DeWitt equation and predicts an ensemble of asymptotically classical, inflationary universes with nearly-Gaussian fluctuations and with a smooth semiclassical origin.

The Real No-Boundary Wave Function in Lorentzian Quantum Cosmology · Around

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1943
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C. Teitelboim
1982
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1983
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C. Teitelboim
1983
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1985
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1988
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J. J. Halliwell
1989
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J. J. Halliwell
1990
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