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Baryon density inhomogeneity in a generalised mean field model

✍ Scribed by B.K. Patra; C.P. Singh

Publisher
Elsevier Science
Year
1997
Tongue
English
Weight
418 KB
Volume
614
Category
Article
ISSN
0375-9474

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✦ Synopsis

A phenomenological mean field formalism developed to incorporate the excluded volume correction arising due to hard-core repulsion between baryons is used to calculate the isothermal baryon density fluctuation in the early universe arising due to a quark hadron phase transition. We notice that the values of the baryon density contrast ratio thus obtained differ much from those of either a pure excluded volume model or a pure mean field model when the critical temperature for the phase transition T c >/ 150 MeV.

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