While the pressureless dust assumption has been widely adopted in the standard model of cosmology, a quantitative estimate of the actual contributions of the baryonic matter and the hot/cold dark matter to the age of ...While the pressureless dust assumption has been widely adopted in the standard model of cosmology, a quantitative estimate of the actual contributions of the baryonic matter and the hot/cold dark matter to the age of the Universe has not yet been made in literature. They provide a simple scenario of how the solution, e.g. the age of the Universe, is affected by the inclusion of the thermal pressure of the baryon and dark matter particles.展开更多
文摘While the pressureless dust assumption has been widely adopted in the standard model of cosmology, a quantitative estimate of the actual contributions of the baryonic matter and the hot/cold dark matter to the age of the Universe has not yet been made in literature. They provide a simple scenario of how the solution, e.g. the age of the Universe, is affected by the inclusion of the thermal pressure of the baryon and dark matter particles.