Catastrophes in an expanding universe

Details Catastrophes in an expanding universe Catastrophes in an expanding universe

Jun 1974

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1974phla...48...99c&link_type=abstract

Physics Letters A, Volume 48, Issue 2, p. 99-100.

Physics

4

Scientific paper

Using Parker's method for the quantization of a massless real scalar
field in an expanding universe, it is proved for a Friedman-like model
that the time evolution is not implementable in four dimensions,
yielding some pathological behaviour of the total number of particles
operator. This is not present in the two-dimensional model.

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