Evolution of baryon number density during the cosmic quark - hadron phase transition

Sumiyoshi, K.; Kajino, T.; Alcock, C.R.; Mathews, G.J.

doi:10.1103/PhysRevD.42.3963

Evolution of baryon number density during the cosmic quark - hadron phase transition

K. Sumiyoshi
(
- Tokyo Metropolitan U.
)
,
T. Kajino
(
- Tokyo Metropolitan U.
)
,
C.R. Alcock
(
- LLNL, Livermore
)
,
G.J. Mathews
(
- LLNL, Livermore
)

1990

6 pages

Published in:

Phys.Rev.D 42 (1990) 3963-3968

DOI:

10.1103/PhysRevD.42.3963

View in:

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Abstract: (APS)

Recent calculations using a chromoelectric flux tube model have shown that the phase boundary between the quark-gluon plasma and the hadron gas may have a low baryon penetrability. The consequences of this result for the evolution of baryon number density during the QCD phase transition are explored, using a two-zone approximation. Very-high-amplitude baryon number density fluctuations result in a wide variety of cases; in some cases nuclear matter densities are approached, which might lead to the formation of strange matter.

quark gluon: plasma
hadron: gas
critical phenomena
baryon number: density
astrophysics
flux tube
matter: strangeness
nucleus: production
production: nucleus
numerical calculations

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