This paper is under CC 4.0 license. available on arxiv Authors: (1) A. V. Kuzin, Sternberg Astronomical Institute, Moscow, Russia and E-mail: alv.kuzin@gmail.com. Table of Links Abstract and Introduction Model of Disk and Neutron Star Main Equations The Solution for the Induced Field Discussion Conclusion and References 2. MODEL OF DISK AND NEUTRON STAR The magnetic field is assumed to consist of dipolar components that have penetrated the disk and an additional toroidal field: