Home > Search Results: de Vicente Majúa, Julio Íñigo
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1.
12 p, 253.3 KB Estimation of quantum finite mixtures / de Vicente Majúa, Julio Íñigo (Universitat Autònoma de Barcelona. Departament de Física) ; Calsamiglia Costa, John (Universitat Autònoma de Barcelona. Departament de Física) ; Muñoz Tapia, Ramon (Universitat Autònoma de Barcelona. Departament de Física) ; Bagán Capella, Emili (Universitat Autònoma de Barcelona. Departament de Física) ; American Physical Society
We consider the problem of determining the weights of a quantum ensemble. That is to say, given a quantum system that is in a set of possible known states according to an unknown probability law, we give strategies to estimate the individual probabilities, weights, or mixing proportions. [...]
2010 - 10.1103/PhysRevA.81.012332
Physical review. A, Vol. 81, Issue 1 (January 2010) , p. 012332-1-012332-12  
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2.
4 p, 160.1 KB Local discrimination of mixed states / Calsamiglia Costa, John (Universitat Autònoma de Barcelona. Departament de Física) ; de Vicente Majúa, Julio Íñigo (Universitat Autònoma de Barcelona. Departament de Física) ; Muñoz Tapia, Ramon (Universitat Autònoma de Barcelona. Departament de Física) ; Bagán Capella, Emili (Universitat Autònoma de Barcelona. Departament de Física) ; American Physical Society
We provide rigorous, efficiently computable and tight bounds on the average error probability of multiple-copy discrimination between qubit mixed states by local operations assisted with classical communication (LOCC). [...]
2010 - 10.1103/PhysRevLett.105.080504
Physical review letters, Vol. 105, Issue 8 (August 2010) , p. 80504  
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