# Lower bound on concurrence for arbitrary-dimensional tripartite quantum states

Lower bound on concurrence for arbitrary-dimensional tripartite quantum states In this paper, we study the concurrence of arbitrary-dimensional tripartite quantum states. An explicit operational lower bound of concurrence is obtained in terms of the concurrence of substates. A given example shows that our lower bound may improve the well-known existing lower bounds of concurrence. The significance of our result is to get a lower bound when we study the concurrence of arbitrary $$m\otimes n\otimes l$$ m ⊗ n ⊗ l -dimensional tripartite quantum states. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Quantum Information Processing Springer Journals

# Lower bound on concurrence for arbitrary-dimensional tripartite quantum states

, Volume 15 (9) – Jun 21, 2016
11 pages

/lp/springer_journal/lower-bound-on-concurrence-for-arbitrary-dimensional-tripartite-zDo3nTTbPy
Publisher
Springer US
Subject
Physics; Quantum Information Technology, Spintronics; Quantum Computing; Data Structures, Cryptology and Information Theory; Quantum Physics; Mathematical Physics
ISSN
1570-0755
eISSN
1573-1332
D.O.I.
10.1007/s11128-016-1369-x
Publisher site
See Article on Publisher Site

### Abstract

In this paper, we study the concurrence of arbitrary-dimensional tripartite quantum states. An explicit operational lower bound of concurrence is obtained in terms of the concurrence of substates. A given example shows that our lower bound may improve the well-known existing lower bounds of concurrence. The significance of our result is to get a lower bound when we study the concurrence of arbitrary $$m\otimes n\otimes l$$ m ⊗ n ⊗ l -dimensional tripartite quantum states.

### Journal

Quantum Information ProcessingSpringer Journals

Published: Jun 21, 2016

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