Semiclassical time variables in a quantum cosmology with a massless scalar field.

Details Semiclassical time variables in a quantum cosmology with a massless scalar field. Semiclassical time variables in a quantum cosmology with a massless scalar field.

Apr 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997ncimb.112..619o&link_type=abstract

Nuovo Cimento B, Vol. 112B, No. 4, p. 619 - 627

Computer Science

Cosmology: Quantum Effects

Scientific paper

The author calculates explicit expressions of two semiclassical time
variables by applying the WKB method and the Ehrenfest principle in a
quantum cosmology with a massless background scalar field. Two time
variables are compared and confirmed explicitly to be identical when the
scale of the Universe is large.

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