An introduction on cosmology & inflation with scalar field

This is a book of the history & the evolution of the universe.In this book we describe about the different models of the universe in different cases.we tried to find out the future case of the universe that what will be the condition in next.Black body radiation & Cosmic microwave background radiation is the new invention on the space that detect in our earth.We re-arrange some new calculations that will help us to describe the evolution & about Big-Bang.