Baryon-number inhomogeneity generation in the cosmic quark-hadron phase transition

Details Baryon-number inhomogeneity generation in the cosmic quark-hadron phase transition Baryon-number inhomogeneity generation in the cosmic quark-hadron phase transition

Apr 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988phrvd..37.2104k&link_type=abstract

Physical Review D (Particles and Fields), Volume 37, Issue 8, 15 April 1988, pp.2104-2110

Physics

59

Particle-Theory And Field-Theory Models Of The Early Universe

Scientific paper

We have studied the generation of inhomogeneity in the baryon-number density during the cos- mic quark-hadron phase transition. We use a simple model with thin-wall phase boundaries and ideal-gas equations of state. The result depends on the unknown nucleation scale r0. Large-amplitude inhomogeneities can be created if r0 is small and Tc is low. The distance scale of this inhomogeneity is then the bubble coalescence scale. It seems unlikely that the inhomogeneity could have significantly affected the light element abundances produced in the cosmic nucleosynthesis.

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