SISSA Open Science

Browsing by Subject "Dirac-Coulomb operator"

Browsing by Subject "Dirac-Coulomb operator"

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  • Gallone, Matteo; Michelangeli, Alessandro (2017)
    The one-particle Dirac Hamiltonian with Coulomb interaction is known to be realised, in a regime of large (critical) couplings, by an infinite multiplicity of distinct self-adjoint operators, including a distinguished ...
  • Gallone, Matteo; Michelangeli, Alessandro (2017-06)
    We derive a classification of the self-adjoint extensions of the three-dimensional Dirac-Coulomb operator in the critical regime of the Coulomb coupling. Our approach is solely based upon the KreĬn-Višik- Birman extension ...

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