Universe decay and changing the cosmological constant

Details Universe decay and changing the cosmological constant Universe decay and changing the cosmological constant

Jan 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990phrvd..41..418m&link_type=abstract

Physical Review D (Particles and Fields), Volume 41, Issue 2, 15 January 1990, pp.418-429

Mathematics

Logic

7

Scientific paper

If superspace time is taken to be √det(γ) , where γij is the three-metric, then the cosmological constant plays the role of a (mass)2 term in the Wheeler-DeWitt equation. Second quantization allows particles of different mass to decay into one another if they are interacting. Likewise, adding interactions to the third-quantized Lagrangian allows universes with different cosmological constants to decay into one another. We consider a simple model with two types of universes, one of cosmological constant zero and the other nonzero. We compute the probability of decay and production for each type of universe.

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