There is a big-bubble problem in extended inflation

Details There is a big-bubble problem in extended inflation There is a big-bubble problem in extended inflation

Oct 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992phrvd..46.3655l&link_type=abstract

Physical Review D (Particles, Fields, Gravitation, and Cosmology), Volume 46, Issue 8, 15 October 1992, pp.3655-3658

Physics

8

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

We expand on the observation by Weinberg that in extended inflation the present value of the Planck mass is determined not dynamically but instead by the parameters of the inflation potential. For the simplest choices of potential, extended inflationary universes are inconsistent with the thin-wall approximation for bubble nucleation. Even where the thin-wall approximation applies, the proposed resolution of the big-bubble problem by Goldwirth and Zaglauer cannot be realized in a working scenario.

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