33 citations · 75 across the 13 of their papers we have counts for
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math.AP2017★ 21 cited
Self-Adjoint Extensions for the Dirac Operator with Coulomb-Type Spherically Symmetric Potentials
Biagio Cassano, Fabio Pizzichillo
We describe the self-adjoint realizations of the operator , for , and $\mathbb V(x)= |x|^{-1} ( ν\mathbb{I}_4 +μβ-i λα\cdot{x…
math.AP2017★ 11 cited
The relativistic spherical -shell interaction in : spectrum and approximation
Albert Mas, Fabio Pizzichillo
This note revolves on the free Dirac operator in and its -shell interaction with electrostatic potentials supported on a sphere. On one hand, we characterize the…