Nonsingularity in the no-boundary Universe.

Details Nonsingularity in the no-boundary Universe. Nonsingularity in the no-boundary Universe.

May 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997sccha..40..501w&link_type=abstract

Science in China, Series A, Vol. 40, No. 5, p. 501 - 514

Physics

Universe: Singularities

Scientific paper

In the no-boundary Universe of Hartle and Hawking (1982), the path integral for the quantum state of the Universe must be summed only over nonsingular histories. If the quantum corrections to the Hamilton-Jacobi equation in the interpretation of the wave packet is taken into account, then all classical trajectories should be nonsingular. The quantum behaviour of the classical singularity in the S1×Sm model (m ≥ 2) is also clarified. It is argued that the Universe should evolve from the zero momentum state, instead from a zero volume state, to a 3-geometry state.

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