Quantum Kaluza-Klein cosmologies (III)

Details Quantum Kaluza-Klein cosmologies (III) Quantum Kaluza-Klein cosmologies (III)

May 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985phlb..155..237h&link_type=abstract

Physics Letters B, Volume 155, Issue 4, p. 237-240.

Physics

7

Scientific paper

The ``ground state'' proposal for the quantum state of the universe is generalized to the case of a noncompact spacelike three-hyperboloid as the configuration space. The most probable evolution of the universe must come from a gravitational instanton by quantum tunneling. We show that under some minisuperspace ansatz, there exists only S4 × S7 gravitational instanton in d = 11 supergravity. From the point of view of quantum cosmology this fact must be related to the fact that our observed spacetime is four-dimensional.
Permanent address: China University of Science and Technology, Hefei, Anhui, China.

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