Sunday, April 28, 2013
A model-building resource for cosmic numerologists
"Stationary dark energy" presents a model of energy transfer between dark energy, dark matter, and baryonic matter, in which the density fractions can asymptote to desired values: "Choosing the parameters we can ensure that the final state is, for instance, Ωϕ = 0.7 and Ωm = 0.3. Once reached, these values will remain fixed forever." (ϕ is a dark-energy scalar.) So if your theory of everything requires that ΩDE should be 2/3, or 1-1/π, or 9/4π, here's a phenomenological model, complete with equations, that you can build on.
Posted by Mitchell at 4:20 AM