Ilarraza-Lomeli, AC; Valdes-Martínez, MN; Salas-Brito, AL; Martínez-y-Romero, RP; Nunez-Yepez, HN
(2002)
Employing a relativistic version of a hypervirial result, recurrence relations for arbitrary nondiagonal radial hydrogenic matrix elements have recently been obtained in Dirac relativistic quantum mechanics. In this ...