Large nucleation distances from impurities in the cosmological quark-hadron transition

Details Large nucleation distances from impurities in the cosmological quark-hadron transition Large nucleation distances from impurities in the cosmological quark-hadron transition

1996-02-15

arxiv.org/abs/astro-ph/9602071v1

Phys.Rev. D53 (1996) 5446-5454

Astronomy and Astrophysics

Astrophysics

18 pages, 5 ps figures. To appear in Physical Review D, 15 May 1996

Scientific paper

10.1103/PhysRevD.53.5446

We calculate the mean nucleation distance, $d_{nuc}$, in a first order cosmological quark-hadron phase transition. For homogeneous nucleation we find that self-consistent inclusion of curvature energy reduces $d_{nuc}$ to $\lesssim 2$cm. However, impurities can lead to heterogeneous nucleation with $d_{nuc}$ of several meters, a value high enough to change the outcome of Big Bang nucleosynthesis.

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