True vacuum bubbles and the origin of voids

Details True vacuum bubbles and the origin of voids True vacuum bubbles and the origin of voids

Aug 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991phlb..265..232l&link_type=abstract

Physics Letters B, Volume 265, Issue 3-4, p. 232-238.

Physics

28

Scientific paper

Extended inflation theory can provide astrophysically interesting, nearly energy-empty bubbles at the epoch of matter-radiation equality, t=teq. The physical size and number of such bubbles at t=teq within the present physical horizon as a function of the model parameters is given. If non-baryonic cold dark matter (CDM) is not present in the universe, the filling fraction of these bubbles in the physical volume of the present universe becomes less than a few percent, so the bubbles are marginally detectable. If CDM is present in the universe, true vacuum bubbles can grow to occupy a major fraction of the volume of the universe today.

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