Essential Self-adjointness of Symmetric First-Order Differential Systems and Confinement of Dirac Particles on Bounded Domains in

G Nenciu, I Nenciu, R Obermeyer - Communications in Mathematical …, 2021 - Springer
We prove essential self-adjointness of Dirac operators with Lorentz scalar potentials which
grow sufficiently fast near the boundary ∂ Ω∂ Ω of the spatial domain Ω ⊂ R^ d Ω⊂ R d …