On contact interactions realised as Friedrichs systems

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dc.contributor.areaMathematicsen_US
dc.contributor.authorErceg, Marco
dc.contributor.authorMichelangeli, Alessandro
dc.date.accessioned2017-10-10T11:23:22Z
dc.date.available2017-10-10T11:23:22Z
dc.date.issued2017
dc.description.abstractWe realise the Hamiltonians of contact interactions in quantum mechanics within the framework of abstract Friedrichs systems. In particular, we show that the construction of the self-adjoint (or even only closed) operators of contact interaction supported at a fixed point can be associated with the construction of the bijective realisations of a suitable pair of abstract Friedrich operators. In this respect, the Hamiltonians of contact interaction provide novel examples of abstract Friedrich systems.en_US
dc.identifier.sissaPreprint48/2017/MATE
dc.identifier.urihttps://openscience.sissa.it/handle/1963/35298
dc.language.isoenen_US
dc.miur.area1en_US
dc.relation.firstpage1en_US
dc.relation.ispartofseriesSISSA;48/2017/MATE
dc.relation.lastpage27en_US
dc.subjectAbstract Friedrichs systemsen_US
dc.subjectGrubb extension theoryen_US
dc.titleOn contact interactions realised as Friedrichs systemsen_US
dc.typePreprinten_US
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