FEM solver for confined quantum system: hydrogen atom or ion in uniform magnetic field Oleg O. Kovalev1,2, Vladimir L. Derbov3, Alexander A. Gusev2,3,4,
Luong Le Hai 5, Sergue I. Vinitsky1,2,6; 1Joint Institute for Nuclear Research, Dubna, Russian Federation; 2Dubna State University, Dubna, Russian Federation; 3N.G. Chernyshevsky Saratov State University, Saratov, Russian
Federation; 4School of Applied Sciences, Mongolian University of Science and
Technology, Ulaanbaatar, Mongolia; 5Ho Chi Minh city University of Education, Ho Chi Minh City, Viet Nam; 6RUDN University, Moscow, Russian Federation
