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)
11 Downloads (Pure)


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
Issue number4
Publication statusPublished - 2003

Bibliographical note

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


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