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Congruence of Dirac operators with applications to generalized MIT bag models
Joaquim Duran, Konstantin Pankrashkin
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Source: Crossref
Published: Oct 21, 2026
DOI: 10.1088/1751-8121/aeb212
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Abstract We highlight a simple congruence transform that shifts coupling parameters for Dirac operators with shell interactions. As one of the consequences, this leads to new observations concerning the self-adjointness and the infinite mass interpretation of generalized MIT bag models.
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