Entangling power and operator entanglement in qudit systems

Xiaoguang Wang*, Barry C. Sanders, Dominic W. Berry

*Corresponding author for this work

    Research output: Contribution to journalReview articlepeer-review

    46 Citations (Scopus)
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    Abstract

    The entangling power of a unitary operator on a general finite-dimensional quantum system with and without ancillas was analyzed. The relations between the entangling power based on the von Neumann entropy and the entangling power based on the linear entropy were also provided. The results show that the entangling power of a general controlled unitary operator acting on two equal-dimensional qudits is proportional to the corresponding operator entanglement if linear entropy is adopted as the quantity representing the degree of entanglement.

    Original languageEnglish
    Article number042323
    Pages (from-to)42323-1-42323-8
    Number of pages8
    JournalPhysical Review A - Atomic, Molecular, and Optical Physics
    Volume67
    Issue number4
    Publication statusPublished - 2003

    Bibliographical note

    Copyright 2003 by The American Physical Society. Reprinted from Physical review A.

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