2020
DOI: 10.1063/1.5123289
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Limiting absorption principle and scattering matrix for Dirac operators with δ-shell interactions

Abstract: We provide a limiting absorption principle for self-adjoint realizations of Dirac operators with electrostatic and Lorentz scalar δ-shell interactions supported on regular compact surfaces. Then we show completeness of the wave operators and give a representation formula for the scattering matrix.

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Cited by 4 publications
(2 citation statements)
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“…The family {H τ } τ ∈R naturally arises in the context of confining δ-shell interactions. In the last decade, Dirac operators coupled with δ-shell potentials have been investigated from a mathematical perspective: their self-adjointness and spectral properties [9,10,16,17,19,20,22,39,57,68], the case of rough domains [27,26], and their approximations and other asymptotic regimes [33,50,59,58,61]; we refer to the survey [63] for further details on the state of the art of shell interactions for Dirac operators. Several of these works addressed singular perturbations of the form…”
Section: Introductionmentioning
confidence: 99%
“…The family {H τ } τ ∈R naturally arises in the context of confining δ-shell interactions. In the last decade, Dirac operators coupled with δ-shell potentials have been investigated from a mathematical perspective: their self-adjointness and spectral properties [9,10,16,17,19,20,22,39,57,68], the case of rough domains [27,26], and their approximations and other asymptotic regimes [33,50,59,58,61]; we refer to the survey [63] for further details on the state of the art of shell interactions for Dirac operators. Several of these works addressed singular perturbations of the form…”
Section: Introductionmentioning
confidence: 99%
“…The family {H τ } τ ∈R naturally arises in the context of confining δ-shell interactions. In the last decade, Dirac operators coupled with singular δ-shell potentials have been investigated from a mathematical perspective: their self-adjointness and spectral properties [9,10,16,17,19,20,22,39,57,68], the case of rough domains [26,27], and their approximations and other asymptotic regimes [33,50,59,58,61]; we refer to the survey [63] for further details on the state of the art of shell interactions for Dirac operators. Several of these works addressed singular perturbations of the form…”
Section: Introductionmentioning
confidence: 99%