Baryon inhomogeneity from the cosmic quark-hadron phase transition

Details Baryon inhomogeneity from the cosmic quark-hadron phase transition Baryon inhomogeneity from the cosmic quark-hadron phase transition

Jul 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991sqmp.work...20k&link_type=abstract

Presented at the Workshop on Strange Quark Matter in Physics and Astrophysics, Aarhus (Denmark), 20-24 May 1991

Astronomy and Astrophysics

Astrophysics

Baryons, Equations Of State, Hadrons, Ideal Gas, Inhomogeneity, Quarks, Thin Walls, Astronomical Models, Boundary Layers, Elementary Particle Interactions, Nucleation, Particle Density (Concentration), Phase Transformations

Scientific paper

We discuss the generation of inhomogeneity in the baryon-number density during the cosmic quark-hadron phase transition. We use a simple model with thin-wall phase boundaries and ideal-gas equations of state. The nucleation of the phase transition introduces a new distance scale into the universe which will be the scale of the generated inhomogeneity. We review the estimate of this scale. During the transition baryon number is likely to collect onto a layer at the phase boundary. These layers may in the end be deposited as small regions of very high baryon density.

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