Dirac equation in magnetic-solenoid field S.P. Gavrilov, D.M. Gitman and A.A. Smirnov Eur. Phys. J. C, 32 Supplement 1 (2004) s1.119-s1.142 Published online: 10 June 2003 DOI: 10.1140/epjcd/s2003-01-009-1