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math.AP2022
Dirac-Coulomb Operators with Infinite Mass Boundary Conditions in Sectors
Biagio Cassano, Matteo Gallone, Fabio Pizzichillo
We investigate the properties of self-adjointness of a two-dimensional Dirac operator on an infinite sector with infinite mass boundary conditions and in presence of a Coulomb-type…
math.AP2022
Self-adjointness for the MIT bag model on an unbounded cone
Biagio Cassano, Vladimir Lotoreichik
We consider the massless Dirac operator with the MIT bag boundary conditions on an unbounded three-dimensional circular cone. For convex cones, we prove that this operator is self-…