Artículo
Rebón, L.; Rossignoli, R.; Varga, J.J.M.; Gigena, N.; Canosa, N.; Iemmi, C.; Ledesma, S. "Conditional purity and quantum correlation measures in two qubit mixed states" (2016) Journal of Physics B: Atomic, Molecular and Optical Physics. 49(21)
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Abstract:
We analyze and show experimental results of the conditional purity, the quantum discord and other related measures of quantum correlation in mixed two-qubit states constructed from a pair of photons in identical polarization states. The considered states are relevant for the description of spin pair states in interacting spin chains in a transverse magnetic field. We derive clean analytical expressions for the conditional local purity and other correlation measures obtained as a result of a remote local projective measurement, which are fully verified by the experimental results. A simple exact expression for the quantum discord of these states in terms of the maximum conditional purity is also derived. © 2016 IOP Publishing Ltd.
Registro:
| Documento: | Artículo |
| Título: | Conditional purity and quantum correlation measures in two qubit mixed states |
| Autor: | Rebón, L.; Rossignoli, R.; Varga, J.J.M.; Gigena, N.; Canosa, N.; Iemmi, C.; Ledesma, S. |
| Filiación: | Instituto de Física de la Plata, Departamento de Física, CONICET, Universidad Nacional de la Plata, C.C. 67, La Plata, 1900, Argentina Institut für Laserphysik, Universität Hamburg, Luruper Chaussee 149, Hamburg, D-22761, Germany CICPBA, Buenos Aires, Argentina Departamento de Física, FCEyN, Universidad de Buenos Aires-CONICET, Buenos Aires, 1428, Argentina |
| Palabras clave: | experimental test with single photons; measures of quantum correlations; quantum information; Photons; Quantum optics; Analytical expressions; Correlation measures; Polarization state; Quantum correlations; Quantum discords; Quantum Information; Single photons; Transverse magnetic field; Quantum computers |
| Año: | 2016 |
| Volumen: | 49 |
| Número: | 21 |
| DOI: | http://dx.doi.org/10.1088/0953-4075/49/21/215501 |
| Título revista: | Journal of Physics B: Atomic, Molecular and Optical Physics |
| Título revista abreviado: | J Phys B At Mol Opt Phys |
| ISSN: | 09534075 |
| CODEN: | JPAPE |
| Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09534075_v49_n21_p_Rebon |
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Citas:
---------- APA ----------
Rebón, L., Rossignoli, R., Varga, J.J.M., Gigena, N., Canosa, N., Iemmi, C. & Ledesma, S. (2016) . Conditional purity and quantum correlation measures in two qubit mixed states. Journal of Physics B: Atomic, Molecular and Optical Physics, 49(21).http://dx.doi.org/10.1088/0953-4075/49/21/215501
---------- CHICAGO ----------
Rebón, L., Rossignoli, R., Varga, J.J.M., Gigena, N., Canosa, N., Iemmi, C., et al. "Conditional purity and quantum correlation measures in two qubit mixed states" . Journal of Physics B: Atomic, Molecular and Optical Physics 49, no. 21 (2016).http://dx.doi.org/10.1088/0953-4075/49/21/215501
---------- MLA ----------
Rebón, L., Rossignoli, R., Varga, J.J.M., Gigena, N., Canosa, N., Iemmi, C., et al. "Conditional purity and quantum correlation measures in two qubit mixed states" . Journal of Physics B: Atomic, Molecular and Optical Physics, vol. 49, no. 21, 2016.http://dx.doi.org/10.1088/0953-4075/49/21/215501
---------- VANCOUVER ----------
Rebón, L., Rossignoli, R., Varga, J.J.M., Gigena, N., Canosa, N., Iemmi, C., et al. Conditional purity and quantum correlation measures in two qubit mixed states. J Phys B At Mol Opt Phys. 2016;49(21).http://dx.doi.org/10.1088/0953-4075/49/21/215501
