Publications

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Journal Article
E. Bagan, Ballester, M. A., Gill, R. D., Muñoz-Tapia, R., and Romero-Isart, O., Separable Measurement Estimation of Density Matrices and its Fidelity Gap with Collective Protocols, Physical Review Letters, vol. 97, pp. 130501–4, 2006.
A. Acín, Bae, J., Bagan, E., Baig, M., Masanes, L., and Muñoz-Tapia, R., Secrecy properties of quantum channels, Physical Review A (Atomic, Molecular, and Optical Physics), vol. 73, pp. 012327–5, 2006.
E. Bagan, Iblisdir, S., and Muñoz-Tapia, R., Relative states, quantum axes, and quantum references, Physical Review A (Atomic, Molecular, and Optical Physics), vol. 73, pp. 022341–6, 2006.
P. Rapcan, Calsamiglia, J., Muñoz-Tapia, R., Bagan, E., and Bużek, V., Recycling of quantum information: Multiple observations of quantum systems, arXiv, 2007.
S. Boixo, Datta, A., Flammia, S. T., Shaji, A., Bagan, E., and Caves, C. M., Quantum-limited metrology with product states, Physical Review A (Atomic, Molecular, and Optical Physics), vol. 77, pp. 012317–15, 2008.
E. Bagan, Baig, M., and Muñoz-Tapia, R., Quantum reverse engineering and reference-frame alignment without nonlocal correlations, Physical Review A (Atomic, Molecular, and Optical Physics), vol. 70, p. 030301, 2004.
G. F. Calvo, Picon, A., and Bagan, E., Quantum field theory of photons with orbital angular momentum, Physical Review A (Atomic, Molecular, and Optical Physics), vol. 73, pp. 013805–10, 2006.
J. Calsamiglia, Muñoz-Tapia, R., Masanes, L., Acín, A., and Bagan, E., Quantum Chernoff bound as a measure of distinguishability between density matrices: Application to qubit and Gaussian states, Physical Review A (Atomic, Molecular, and Optical Physics), vol. 77, pp. 032311–15, 2008.
E. Bagan, Ballester, M. A., Muñoz-Tapia, R., and Romero-Isart, O., Purity Estimation with Separable Measurements, Physical Review Letters, vol. 95, p. 110504, 2005.
J. Calsamiglia, Aspachs, M., Muñoz-Tapia, R., and Bagan, E., Phase-covariant quantum benchmarks, Physical Review A (Atomic, Molecular, and Optical Physics), vol. 79, pp. 050301–4, 2009.
E. Bagan, Monras, A., and Muñoz-Tapia, R., Phase variance of squeezed vacuum states, Physical Review A (Atomic, Molecular, and Optical Physics), vol. 78, pp. 043829–7, 2008.
M. Aspachs, Calsamiglia, J., Muñoz-Tapia, R., and Bagan, E., Phase estimation for thermal Gaussian states, Physical Review A (Atomic, Molecular, and Optical Physics), vol. 79, pp. 033834–12, 2009.
O. Oreshkov, Calsamiglia, J., Muñoz-Tapia, R., and Bagan, E., Optimal signal states for quantum detectors, New Journal of Physics, vol. 13, p. 073032, 2011.
E. Bagan, Ballester, M. A., Gill, R. D., Monras, A., and Muñoz-Tapia, R., Optimal full estimation of qubit mixed states, Physical Review A (Atomic, Molecular, and Optical Physics), vol. 73, pp. 032301–18, 2006.
A. Acín, Bagan, E., Baig, M., Masanes, L., and Muñoz-Tapia, R., Multiple-copy two-state discrimination with individual measurements, Physical Review A (Atomic, Molecular, and Optical Physics), vol. 71, p. 032338, 2005.
G. Sentís, Bagan, E., Calsamiglia, J., and Muñoz-Tapia, R., Multicopy programmable discrimination of general qubit states, Physical Review A, vol. 82, p. 042312, 2010.
E. Bagan, Calsamiglia, J., Demkowicz-Dobrzanski, R., and Muñoz-Tapia, R., How to hide a secret direction, New Journal of Physics, vol. 9, p. 244, 2007.
E. Bagan, Baig, M., and Muñoz-Tapia, R., Entanglement-assisted alignment of reference frames using a dense covariant coding, Physical Review A (Atomic, Molecular, and Optical Physics), vol. 69, p. 050303, 2004.
K. M. R. Audenaert, Calsamiglia, J., Muñoz-Tapia, R., Bagan, E., Masanes, L., Acín, A., and Verstraete, F., Discriminating States: The Quantum Chernoff Bound, Physical Review Letters, vol. 98, pp. 160501–4, 2007.
E. Bagan, Monras, A., and Muñoz-Tapia, R., Comprehensive analysis of quantum pure-state estimation for two-level systems, Physical Review A (Atomic, Molecular, and Optical Physics), vol. 71, p. 062318, 2005.
E. Bagan, Baig, M., Muñoz-Tapia, R., and Rodriguez, A., Collective versus local measurements in a qubit mixed-state estimation, Physical Review A (Atomic, Molecular, and Optical Physics), vol. 69, p. 010304, 2004.
E. Bagan and Muñoz-Tapia, R., Aligning spatial frames through quantum channels, International Journal of Quantum Information, vol. 4, p. 5, 2006.
E. Bagan, Baig, M., and Muñoz-Tapia, R., Aligning Reference Frames with Quantum States, arXiv, 2001.
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