Mathematical predominance of Dirichlet condition for the one-dimensional Coulomb potential

Quantum singular operator limits of thin Dirichlet tubes via Γ-convergence

(2011) César R. De Oliveira   REPORTS ON MATHEMATICAL PHYSICS

On the two-dimensional Coulomb-like potential with a central point interaction

(2010) P Duclos et al.   Journal of Physics A-Mathematical and Theoretical

Is Dirichlet the physical boundary condition for the one-dimensional hydrogen atom?

(2010) César R. de Oliveira   PHYSICS LETTERS A

On the one-dimensional Coulomb problem

(2009) Benjamín Jaramillo et al.   PHYSICS LETTERS A

Self-adjoint extensions of Coulomb systems in 1, 2 and 3 dimensions

(2008) César R. de Oliveira et al.   ANNALS OF PHYSICS

On the spectrum of narrow periodic waveguides

(2008) L. Friedlander et al.   RUSSIAN JOURNAL OF MATHEMATICAL PHYSICS