Characterizing Quantumness via Entanglement Creation

S. Gharibian, M. PIANI, G. ADESSO, J. CALSAMIGLIA, P. HORODECKI, International Journal of Quantum Information 09 (2011) 1701–1713.

Journal Article | Published | English
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Abstract
In [Piani et al., PRL106 (2011) 220403], an activation protocol was introduced which maps the general non-classical (multipartite) correlations between given systems into bipartite entanglement between the systems and local ancillae by means of a potentially highly entangling interaction. Here, we study how this activation protocol can be used to entangle the starting systems themselves via entanglement swapping through a measurement on the ancillae. Furthermore, we bound the relative entropy of quantumness (a naturally arising measure of non-classicality in the scheme of Piani et al. above) for a special class of separable states, the so-called classical–quantum states. In particular, we fully characterize the classical–quantum two-qubit states that are maximally non-classical.
Publishing Year
Journal Title
International Journal of Quantum Information
Volume
09
Issue
07n08
Page
1701-1713
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Gharibian S, PIANI M, ADESSO G, CALSAMIGLIA J, HORODECKI P. Characterizing Quantumness via Entanglement Creation. International Journal of Quantum Information. 2011;09(07n08):1701-1713. doi:10.1142/s0219749911008258
Gharibian, S., PIANI, M., ADESSO, G., CALSAMIGLIA, J., & HORODECKI, P. (2011). Characterizing Quantumness via Entanglement Creation. International Journal of Quantum Information, 09(07n08), 1701–1713. https://doi.org/10.1142/s0219749911008258
@article{Gharibian_PIANI_ADESSO_CALSAMIGLIA_HORODECKI_2011, title={Characterizing Quantumness via Entanglement Creation}, volume={09}, DOI={10.1142/s0219749911008258}, number={07n08}, journal={International Journal of Quantum Information}, publisher={World Scientific Pub Co Pte Lt}, author={Gharibian, Sevag and PIANI, MARCO and ADESSO, GERARDO and CALSAMIGLIA, JOHN and HORODECKI, PAWEŁ}, year={2011}, pages={1701–1713} }
Gharibian, Sevag, MARCO PIANI, GERARDO ADESSO, JOHN CALSAMIGLIA, and PAWEŁ HORODECKI. “Characterizing Quantumness via Entanglement Creation.” International Journal of Quantum Information 09, no. 07n08 (2011): 1701–13. https://doi.org/10.1142/s0219749911008258.
S. Gharibian, M. PIANI, G. ADESSO, J. CALSAMIGLIA, and P. HORODECKI, “Characterizing Quantumness via Entanglement Creation,” International Journal of Quantum Information, vol. 09, no. 07n08, pp. 1701–1713, 2011.
Gharibian, Sevag, et al. “Characterizing Quantumness via Entanglement Creation.” International Journal of Quantum Information, vol. 09, no. 07n08, World Scientific Pub Co Pte Lt, 2011, pp. 1701–13, doi:10.1142/s0219749911008258.

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