Accretion Discs Around Magnetized Stars, in Particular Neutron Stars

Accretion discs are ubiquitous in astrophysics. It occurs around strong magnetic stars in X-ray binary pulsars, magnetic white dwarfs, in cataclysmic variables, and T Taurus stars, etc.The interaction between a magnetized; rotating star and a surrounding accretion disc has been of continued interest since the discovery of X-ray pulsars in binary systems. In spite of the early progress, interaction of the accretion disc with in the stellar magnetosphere is not yet well understood. The subject of this book will therefore be to construct a theoretical model which can be used as the basis for further analytical and numerical investigations for accretion disc around magnetized stars including effect of the magnetic field generated by an internal dynamo. I believe that this book will give a good background of X-ray binaries, X-ray pulsars and magnetic field interactions and application of MHD equations in accretion disc theory. The book is mainly used for graduate students, Post doc and senior researchers and will act as a basis for subsequent investigations accretion discs around magnetised stars.

Solomon Belay Tessema(PhD)was receieved Bsc. degree in Physics and Msc. in Astrophysics. In 2010 he has been received his PhD in Astrophysics from Addis Ababa University undersupervision of Ulf Torkelsson University of Gotherburg, Sweden. Currently he is lecturer and researcher at Kotebe College department of Physics at rank of Assistant Professor