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dc.contributor.authorApollaro, Tony John George-
dc.contributor.authorPlastina, F.-
dc.contributor.authorBanchi, L.-
dc.contributor.authorCuccoli, A.-
dc.contributor.authorVaia, R.-
dc.contributor.authorVerrucchi, P.-
dc.contributor.authorPaternostro, M.-
dc.date.accessioned2022-08-02T07:45:30Z-
dc.date.available2022-08-02T07:45:30Z-
dc.date.issued2013-
dc.identifier.citationApollaro, T. J. G., Plastina, F., Banchi, L., Cuccoli, A., Vaia, R., Verrucchi, P., & Paternostro, M. (2013). Effective cutting of a quantum spin chain by bond impurities. Physical Review A, 88(5), 052336.en_GB
dc.identifier.urihttps://www.um.edu.mt/library/oar/handle/123456789/100187-
dc.description.abstractSpin chains are promising media for short-haul quantum communication. Their usefulness is manifested in all those situations where stationary information carriers are involved. In the majority of the communication schemes relying on quantum spin chains, the latter are assumed to be finite in length, with well-addressable end-chain spins. In this paper we propose that such a configuration could actually be achieved by a mechanism that is able to effectively cut a spin ring through the insertion of bond defects. We then show how suitable physical quantities can be identified as figures of merit for the effectiveness of the cut. We find that, even for modest strengths of the bond defect, a ring is effectively cut at the defect site. In turn, this has important effects on the amount of correlations shared by the spins across the resulting chain, which we study by means of a scattering-based mechanism of a clear physical interpretation.en_GB
dc.language.isoenen_GB
dc.publisherAmerican Physical Societyen_GB
dc.rightsinfo:eu-repo/semantics/restrictedAccessen_GB
dc.subjectQuantum communicationen_GB
dc.subjectSpintronicsen_GB
dc.subjectQuantum physicsen_GB
dc.subjectQuantum entanglementen_GB
dc.titleEffective cutting of a quantum spin chain by bond impuritiesen_GB
dc.typearticleen_GB
dc.rights.holderThe copyright of this work belongs to the author(s)/publisher. The rights of this work are as defined by the appropriate Copyright Legislation or as modified by any successive legislation. Users may access this work and can make use of the information contained in accordance with the Copyright Legislation provided that the author must be properly acknowledged. Further distribution or reproduction in any format is prohibited without the prior permission of the copyright holder.en_GB
dc.description.reviewedpeer-revieweden_GB
dc.identifier.doi10.1103/PhysRevA.88.052336-
dc.publication.titlePhysical Review Aen_GB
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