Bubble dynamics and space-time structure in extended inflation

Details Bubble dynamics and space-time structure in extended inflation Bubble dynamics and space-time structure in extended inflation

Dec 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993phrvd..48.5570s&link_type=abstract

Physical Review D (Particles, Fields, Gravitation, and Cosmology), Volume 48, Issue 12, 15 December 1993, pp.5570-5575

Physics

11

Particle-Theory And Field-Theory Models Of The Early Universe, Gravity In More Than Four Dimensions, Kaluza-Klein Theory, Unified Field Theories, Alternative Theories Of Gravity

Scientific paper

Developing a thin-wall formalism, we study the evolution of bubbles in extended inflation. We find the following two results. (1) Any true vacuum bubble expands, contrary to the results of Goldwirth and Zaglauer, who claim that bubbles created initially later collapse. We show that their initial conditions for collapsing bubbles are physically inconsistent. (2) Concerning the global space-time structure of the Universe in extended inflation, we show that workholes are produced as in old inflation, resulting in the multiproduction of universes.

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