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- W2074698543 abstract "The application of standard particle physics to big bang cosmology predicts that the temperature interval between roughly 1 TeV and the onset of primordial nucleosynthesis at 100 keV should be rich in physical phenomena; electroweak symmetry breaking, chiral symmetry breaking, and quark confinement should all occur in this interval. First-order phase transitions can produce entropy inhomogeneities because of the uneven release of latent heat, and by shocks and detonations if significant supercooling occurs. In addition, stable objects such as black holes or soliton stars can be produced, and these objects can generate entropy by accretion. These possibilities suggest that the assumption of homogeneity in the standard model of big bang nucleosynthesis could be seriously wrong. In this article I analyse nucleosynthesis in inhomogeneous cosmologies, and I conclude that if baryon density contrasts of order 10 can be created on the proper scales, then the success of the standard model in predicting light-element abundances can be matched by a model containing a closure density of baryons. I argue that the prediction of the cosmological production of r-process elements by the inhomogeneous models is the most promising means of discriminating between these models and the standard model." @default.
- W2074698543 created "2016-06-24" @default.
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- W2074698543 date "1988-06-01" @default.
- W2074698543 modified "2023-10-06" @default.
- W2074698543 title "Neutron diffusion, primordial nucleosynthesis, and the r-process" @default.
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- W2074698543 doi "https://doi.org/10.1016/0370-1573(88)90041-5" @default.
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