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S. Fassari
Observed names:
Fassari Silvestro,
Fassari, Silvestro,
S Fassari,
Silvestro Fassari
Institution:
Marconi University
Observed institutions:
Universidad de Valladolid,
University of Bern,
Istituto Nazionale di Fisica Nucleare,
ITMO University,
Marconi University,
Istituto Nazionale di Fisica Nucleare, Sezione di Napoli,
Interstate University of Applied Sciences of Technology Buchs,
Virginia Tech
show all 8
ORCID:
0000-0003-3475-7696
Observed ORCID:
0000-0003-3475-7696
OpenAlex ID:
A5066077611
A remarkable spectral feature of the Schrödinger Hamiltonian of the harmonic oscillator perturbed by an attractive δ′-interaction centred at the origin: double degeneracy and level crossing
2013
·
Sergio Albeverio
, Silvestro Fassari
, et al.
·
Journal of Physics A Mathematical and Theoretical
·
54
PDF
Spectroscopy of a one-dimensional V-shaped quantum well with a point impurity
2017
·
S. Fassari
, M. Gadella
, et al.
·
Annals of Physics
·
39
PDF
The Hamiltonian of the harmonic oscillator with an attractive -interaction centred at the origin as approximated by the one with a triple of attractive -interactions
2015
·
Sergio Albeverio
, Silvestro Fassari
, et al.
·
Journal of Physics A Mathematical and Theoretical
·
35
On the Spectrum of the Schrdinger Hamiltonian of the One-Dimensional Harmonic Oscillator Perturbed by Two Identical Attractive Point Interactions
2012
·
Silvestro Fassari
, Fabio Rinaldi
·
Reports on Mathematical Physics
·
28
The discrete spectrum of the spinless one-dimensional Salpeter Hamiltonian perturbed by δ -interactions*
2015
·
Sergio Albeverio
, Silvestro Fassari
, et al.
·
Journal of Physics A Mathematical and Theoretical
·
23
On the spectrum of the Schrödinger Hamiltonian with a particular configuration of three one-dimensional point interactions
2009
·
Silvestro Fassari
, Fabio Rinaldi
·
Reports on Mathematical Physics
·
23
Coupling constant thresholds of perturbed periodic Hamiltonians
1998
·
Silvestro Fassari
, Martin Klaus
·
Journal of Mathematical Physics
·
19
PDF
Spectral properties of the two-dimensional Schrödinger Hamiltonian with various solvable confinements in the presence of a central point perturbation
2019
·
S Fassari
, M Gadella
, et al.
·
Physica Scripta
·
15
PDF
Level crossings of eigenvalues of the Schrödinger Hamiltonian of the isotropic harmonic oscillator perturbed by a central point interaction in different dimensions
2018
·
S. Fassari
, M. Gadella
, et al.
·
Nanosystems Physics Chemistry Mathematics
·
12
PDF
The Birman-Schwinger Operator for a Parabolic Quantum Well in a Zero-Thickness Layer in the Presence of a Two-Dimensional Attractive Gaussian Impurity
2019
·
Sergio Albeverio
, Silvestro Fassari
, et al.
·
Frontiers in Physics
·
11
PDF
Spectral properties of a symmetric three-dimensional quantum dot with a pair of identical attractive δ-impurities symmetrically situated around the origin
2016
·
S. Albeverio
, S. Fassari
, et al.
·
Nanosystems Physics Chemistry Mathematics
·
10
PDF
Spectral properties of a symmetric three-dimensional quantum dot with a pair of identical attractive δ-impurities symmetrically situated around the origin II
2016
·
S. Albeverio
, S. Fassari
, et al.
·
Nanosystems Physics Chemistry Mathematics
·
9
PDF
Analysis of a one-dimensional Hamiltonian with a singular double well consisting of two nonlocal $$\delta '$$ interactions
2024
·
S. Fassari
, M. Gadella
, et al.
·
The European Physical Journal Plus
·
8
PDF
On the Spectrum of the One-dimensional Schrödinger Hamiltonian Perturbed by an Attractive Gaussian Potential
2017
·
Silvestro Fassari
, Manuel Gadella
, et al.
·
Acta Polytechnica
·
8
PDF
A Note on the Discrete Spectrum of Gaussian Wells (I): The Ground State Energy in One Dimension
2016
·
G. Muchatibaya
, S. Fassari
, et al.
·
Advances in Mathematical Physics
·
7
PDF
A note on the eigenvalues of the Hamiltonian of the harmonic oscillator perturbed by the potential
1996
·
Silvestro Fassari
·
Reports on Mathematical Physics
·
7
The two lowest eigenvalues of the harmonic oscillator in the presence of a Gaussian perturbation
2020
·
S. Fassari
, L. M. Nieto
, et al.
·
The European Physical Journal Plus
·
6
PDF
The behaviour of the three-dimensional Hamiltonian -Δ+λ[δ(x+x0)+δ(x-x0)] as the distance between the two centres vanishes
2017
·
S. Albeverio
, S. Fassari
, et al.
·
Nanosystems Physics Chemistry Mathematics
·
6
PDF
The Schrödinger particle on the half-line with an attractive $$\delta $$-interaction: bound states and resonances
2021
·
S. Fassari
, M. Gadella
, et al.
·
The European Physical Journal Plus
·
5
PDF
On the behaviour of the two-dimensional Hamiltonian − Δ + λ [ δ ( x ⃗ + x ⃗ 0 ) + δ ( x ⃗ − x ⃗ 0 ) ] as the distance between the two centres vanishes
2020
·
S Fassari
, I Popov
, et al.
·
Physica Scripta
·
5
PDF
Lagrangian and Network Formulations of Nonlinear Electrochemical Systems
2005
·
J. S. Shiner
, S. Fassari
, et al.
·
Kluwer Academic Publishers eBooks
·
5
The One‐Dimensional Coulomb Hamiltonian: Properties of Its Birman–Schwinger Operator
2025
·
S. Fassari
, M. Gadella
, et al.
·
Mathematical Methods in the Applied Sciences
·
4
The spectrum of the Schrödinger–Hamiltonian for trapped particles in a cylinder with a topological defect perturbed by two attractive delta interactions
2018
·
Fassari Silvestro
, Rinaldi Fabio
, et al.
·
International Journal of Geometric Methods in Modern Physics
·
4
PDF
On the eigenvalues of the Hamiltonian of the harmonic oscillator with the interaction (II)
1997
·
Silvestro Fassari
, Gabriele Inglese
·
Reports on Mathematical Physics
·
4
On the Schrödinger operator with periodic point interactions in the three-dimensional case
1984
·
S. Fassari
·
Journal of Mathematical Physics
·
4
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Works count:
53
Citation count:
388
H-index:
10
I10-index:
11
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