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Entanglement distribution and entangling power of quantum gates

AuthorsBatle, Josep; Casas, Montserrat ; Plastino, Ángel R.
Issue Date2005
CitationOptics and Spectroscopy 99: 362-369 (2005)
AbstractQuantum gates, which play a fundamental role in quantum computation and other quantum information processes, are unitary evolution operators that act on a composite system, changing its entanglement. In the present contribution, we study some aspects of these entanglement changes. By recourse to a Monte Carlo procedure, we compute the so-called “entangling power” for several paradigmatic quantum gates and discuss results concerning the action of the CNOT gate. We pay special attention to the distribution of entanglement among the several parties involved.
DescriptionTexto completo :arXiv:quant-ph/0603059v1
Publisher version (URL)http://dx.doi.org/10.1134/1.2055930
Appears in Collections:(IMEDEA) Artículos
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