Exact calculation of the trace of the Birman–Schwinger operator of the one-dimensional harmonic oscillator perturbed by an attractive Gaussian potential
S. Fassari, F. Rinaldi

This publication is cited in the following articles:

1. Silvestro Fassari, Manuel Gadella, Luis Miguel Nieto, Fabio Rinaldi, “The Energy of the Ground State of the Two-Dimensional Hamiltonian of a Parabolic Quantum Well in the Presence of an Attractive Gaussian Impurity”, Symmetry, 13:9 (2021), 1561  
2. S. Fassari, L. M. Nieto, F. Rinaldi, “The two lowest eigenvalues of the harmonic oscillator in the presence of a Gaussian perturbation”, Eur. Phys. J. Plus, 135:9 (2020)