Is our vacuum metastable

Details Is our vacuum metastable Is our vacuum metastable

Aug 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982natur.298..633t&link_type=abstract

Nature, vol. 298, Aug. 12, 1982, p. 633, 634.

Physics

12

Broken Symmetry, Cosmology, Metastable State, Vacuum, Field Theory (Physics), Particle Interactions

Scientific paper

It is argued that the present vacuum state of the Universe is determined cosmologically by the dynamical evolution of the Universe from the hot, dense phase which existed shortly after the big bang to the present. Microphysical equations are used to show that the vacuum is conceivably metastable, and the dynamical question is investigated whether it is reasonable that during the course of its temperature evolution, the Universe could get 'hung up' in our vacuum in spite of its only being metastable. It is qualitatively found that this can occur.

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