In collaboration with Daniel Rohrlich, simultaneously and independently from Nicolas Gisin, Popescu showed that non-locality is a generic property of nature : every entangled pure quantum state ( i . e . almost every pure state ) has nonlocal properties.
12.
Often the " Robertson Walker " " metric ", so-called since they proved its generic properties, is distinguished from the dynamical " Friedmann-Lema�tre " " models ", specific solutions for " a " ( " t " ) which assume that the only contributions to stress-energy are cold matter ( " dust " ), radiation, and a cosmological constant.
