Browsing by Author "Rinaldi, F."

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Level crossings of eigenvalues of the Schr ̈ odinger Hamiltonian of the isotropic harmonic oscillator perturbed by a central point interaction in different dimensions

Fassari, Silvestro ; Gadella Urquiza, Manuel ; Glasser, M.L.; Nieto Calzada, Luis Miguel ; Rinaldi, F. (2018)
On the spectrum of the one-dimensional Schrödinger Hamiltonian perturbed by an attractive Gaussian potential

Fassari, Silvestro ; Gadella Urquiza, Manuel ; Nieto Calzada, Luis Miguel ; Rinaldi, F. (2017)
Spectral properties of the two-dimensional Schrödinger Hamiltonian with various solvable confinements in the presence of a central point perturbation

Fassari, Silvestro ; Gadella Urquiza, Manuel ; Glasser, M. Lawrence; Nieto Calzada, Luis Miguel ; Rinaldi, F. (2019)
The behaviour of the three-dimensional Hamiltonian -Δ+λ[δ(x+x0)+δ(x+x0)] as the distance between the two centers vanishes

Albeverio, Sergio; Fassari, Silvestro ; Rinaldi, F. (2017)