Mixed-state entanglement and quantum communication
Michal Horodecki, Pawel Horodecki, Ryszard Horodecki
TL;DR
This paper reviews the theory of mixed-state entanglement, focusing on mathematical characterizations and its application to quantum communication, including an analysis of bound entanglement which is not directly useful for communication.
Contribution
It provides a comprehensive overview of mixed-state entanglement and explores the role of bound entanglement in quantum communication.
Findings
Bound entanglement is analyzed in detail.
Mathematical characterizations of entangled states are discussed.
Implications for quantum communication are examined.
Abstract
We present basics of mixed-state entanglement theory. The first part of the article is devoted to mathematical characterizations of entangled states. In second part we discuss the question of using mixed-state entanglement for quantum communication. In particular, a type of entanglement that is not directly useful for quantum communcation (called bound entanglement) is analysed in detail.
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Taxonomy
TopicsQuantum Mechanics and Applications · Quantum Information and Cryptography · Quantum Computing Algorithms and Architecture