Graphene nanoribbon in sharply localized magnetic fields Abdulaziz D. Alhaidari, Hocine Bahlouli, Aberrahim El Mouhafid and Ahmed Jellal Eur. Phys. J. B, 86 3 (2013) 73 Published online: 01 March 2013 DOI: 10.1140/epjb/e2012-30701-2