Consequences of a relativistic pseudospin symmetry for radial nodes and intruder levels in nuclei

The identification of pseudospin symmetry as a relativistic symmetry of the Dirac Hamiltonian is used to explain the structure of radial nodes occurring in pseudospin doublets and to illuminate the special status of nodeless intruder states in nuclei. (C) 2001 Elsevier Science B.V. All rights reserved.