TY  - JOUR 
AU  - Fassari, Silvestro
AU  - Gadella Urquiza, Manuel
AU  - Glasser, M.L.
AU  - Nieto Calzada, Luis Miguel
AU  - Rinaldi, F.
PY  - 2018
SN  - 2305-7971
UR  - http://uvadoc.uva.es/handle/10324/33599
AB  - In this brief presentation, some striking differences between level crossings of eigenvalues in one dimension (harmonic or conic oscillator with a central nonlocal δ’-interaction) or three dimensions (isotropic harmonic oscillator with a...
LA  - eng
PB  - St. Petersburg National Research University of Information Technologies, Mechanics and Optics
TI  - Level crossings of eigenvalues of the Schr  ̈ odinger Hamiltonian of the isotropic harmonic oscillator perturbed by a central point interaction in different dimensions
DO  - https://doi.org/10.17586/2220-8054-2018-9-2-179-186
ER  -