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Reionization Feedback and the Photoevaporation of Intergalactic Clouds
Paul R. Shapiro, Alejandro C. Raga, Garrelt Mellema
Energy released by a small fraction of the baryons in the universe, which condensed out of while the IGM was cold, dark, and neutral,reheated and reionized it, exposing gas clouds…
A Convenient Set of Comoving Cosmological Variables and Their Application
Hugo Martel, Paul R. Shapiro
We present a set of cosmological variables, called "supercomoving variables," which are particularly useful for describing the gas dynamics of cosmic structure formation. For ideal…
Likely Values of the Cosmological Constant
Hugo Martel, Paul R. Shapiro, Steven Weinberg
In theories in which the cosmological constant Lambda takes a variety of values in different ``subuniverses,'' the probability distribution of its observed values is conditioned by…