A new cosmology based on the Bose-Einstein condensation is proposed. This is
a unified model of Dark Energy and Dark Matter, and predicts several
collapses of BEC, followed by the final acceleration which successfully
describes the recent observational results. Furthermore, this model can be
extended to the early inflationary regime, and explains natural initiation
of the inflation, autonomous termination of the inflation, inevitable
initiation of the reheating process, autonomous adjustment of the
cosmological constant to zero, and acceptable generation of density
fluctuations.