dc.creator | Bussandri, Diego | |
dc.creator | Lamberti, Pedro Walter | |
dc.date.accessioned | 2021-05-20T19:15:05Z | |
dc.date.accessioned | 2022-10-15T14:57:52Z | |
dc.date.available | 2021-05-20T19:15:05Z | |
dc.date.available | 2022-10-15T14:57:52Z | |
dc.date.created | 2021-05-20T19:15:05Z | |
dc.date.issued | 2020-01 | |
dc.identifier | Bussandri, Diego; Lamberti, Pedro Walter; Generalized Holevo theorem and distinguishability notions; IOP Publishing; Journal of Physics A: Mathematical and Theoretical; 53; 4; 1-2020; 1-14 | |
dc.identifier | 1751-8113 | |
dc.identifier | http://hdl.handle.net/11336/132411 | |
dc.identifier | CONICET Digital | |
dc.identifier | CONICET | |
dc.identifier.uri | https://repositorioslatinoamericanos.uchile.cl/handle/2250/4399563 | |
dc.description.abstract | We present a generalization of the Holevo theorem through distance measures between quantum states, showing that each of these leads to an alternative Holevo theorem. This result involves two quantities: the distance-based Holevo quantity and the generalized accessible information I d. Additionally, we consider three distinguishability notions relevant to quantum cryptography, applying the resulting new inequalities to qubits ensembles. For some well-known distinguishability notion, we show that for any ensemble of two qubits the generalized quantities - I d and - are equal. On the other hand, by using a paradigmatic example, we show that the quantities corresponding to the Bures distance captures not only the non-commutativity of the ensemble but also its purity. | |
dc.language | eng | |
dc.publisher | IOP Publishing | |
dc.relation | info:eu-repo/semantics/altIdentifier/url/https://iopscience.iop.org/article/10.1088/1751-8121/ab5cfa | |
dc.relation | info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1088/1751-8121/ab5cfa | |
dc.rights | https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ | |
dc.rights | info:eu-repo/semantics/restrictedAccess | |
dc.subject | ACCESSIBLE INFORMATION | |
dc.subject | DISTANCE MEASURES | |
dc.subject | HOLEVO BOUND | |
dc.subject | QUANTUM CHANNELS | |
dc.subject | QUANTUM COMMUNICATION | |
dc.title | Generalized Holevo theorem and distinguishability notions | |
dc.type | info:eu-repo/semantics/article | |
dc.type | info:ar-repo/semantics/artículo | |
dc.type | info:eu-repo/semantics/publishedVersion | |