Quantum entanglement of unitary operators on bipartite systems

Xiaoguang Wang and Paolo Zanardi
Phys. Rev. A 66, 044303 – Published 22 October 2002
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Abstract

We study the entanglement of unitary operators on d1×d2 quantum systems. This quantity is closely related to the entangling power of the associated quantum evolutions. The entanglement of a class of unitary operators is quantified by the concept of concurrence.

  • Received 1 July 2002

DOI:https://doi.org/10.1103/PhysRevA.66.044303

©2002 American Physical Society

Authors & Affiliations

Xiaoguang Wang1,2 and Paolo Zanardi1

  • 1Institute for Scientific Interchange (ISI) Foundation, Viale Settimio Severo 65, I-10133 Torino, Italy
  • 2Department of Physics and Centre for Advanced Computing–Algorithms and Cryptography, Macquarie University, Sydney, New South Wales 2109, Australia

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Vol. 66, Iss. 4 — October 2002

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