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Campo DC | Valor | Lengua/Idioma |
---|---|---|
dc.creator | Bendersky, Ariel Martin | - |
dc.creator | Paz, Juan Pablo | - |
dc.creator | Cunha, Marcelo Terra | - |
dc.date | 2018-10-01T18:05:08Z | - |
dc.date | 2018-10-01T18:05:08Z | - |
dc.date | 2009-07 | - |
dc.date | 2018-10-01T14:27:32Z | - |
dc.date.accessioned | 2019-04-29T15:55:21Z | - |
dc.date.available | 2019-04-29T15:55:21Z | - |
dc.identifier | Bendersky, Ariel Martin; Paz, Juan Pablo; Cunha, Marcelo Terra; General theory of measurement with two copies of a quantum state; American Physical Society; Physical Review Letters; 103; 4; 7-2009; 40404-40404 | - |
dc.identifier | 0031-9007 | - |
dc.identifier | http://hdl.handle.net/11336/61403 | - |
dc.identifier | CONICET Digital | - |
dc.identifier | CONICET | - |
dc.identifier.uri | http://rodna.bn.gov.ar:8080/jspui/handle/bnmm/305402 | - |
dc.description | We analyze the results of the most general measurement on two copies of a quantum state. We show that by using two copies of a quantum state it is possible to achieve an exponential improvement with respect to known methods for quantum state tomography. We demonstrate that μ can label a set of outcomes of a measurement on two copies if and only if there is a family of maps Cμ such that the probability Prob(μ) is the fidelity of each map, i.e., Prob(μ)=Tr[ρCμ(ρ)]. Here, the map Cμ must be completely positive after being composed with the transposition (these are called completely copositive, or CCP, maps) and must add up to the fully depolarizing map. This implies that a positive operator valued measure on two copies induces a measure on the set of CCP maps (i.e., a CCP map valued measure). © 2009 The American Physical Society. | - |
dc.description | Fil: Bendersky, Ariel Martin. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Física; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Física de Buenos Aires. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Física de Buenos Aires; Argentina | - |
dc.description | Fil: Paz, Juan Pablo. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Física; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Física de Buenos Aires. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Física de Buenos Aires; Argentina | - |
dc.description | Fil: Cunha, Marcelo Terra. Departamento de Matemática; Brasil | - |
dc.format | application/pdf | - |
dc.format | application/pdf | - |
dc.format | application/pdf | - |
dc.language | eng | - |
dc.publisher | American Physical Society | - |
dc.relation | info:eu-repo/semantics/altIdentifier/url/http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.103.040404 | - |
dc.relation | info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1103/PhysRevLett.103.040404 | - |
dc.rights | info:eu-repo/semantics/restrictedAccess | - |
dc.rights | https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ | - |
dc.source | reponame:CONICET Digital (CONICET) | - |
dc.source | instname:Consejo Nacional de Investigaciones Científicas y Técnicas | - |
dc.source | instacron:CONICET | - |
dc.subject | QUANTUM INFORMATION | - |
dc.subject | QUANTUM FOUNDATIONS | - |
dc.subject | QUANTUM ALGORITHMS | - |
dc.subject | QUANTUM MEASUREMENT | - |
dc.subject | Astronomía | - |
dc.subject | Ciencias Físicas | - |
dc.subject | CIENCIAS NATURALES Y EXACTAS | - |
dc.subject | Ciencias de la Computación | - |
dc.subject | Ciencias de la Computación e Información | - |
dc.subject | CIENCIAS NATURALES Y EXACTAS | - |
dc.title | General theory of measurement with two copies of a quantum state | - |
dc.type | info:eu-repo/semantics/article | - |
dc.type | info:eu-repo/semantics/publishedVersion | - |
dc.type | info:ar-repo/semantics/articulo | - |
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