The Decomposition Properties of Quantum Discord
Sunho Kim, Junde Wu
TL;DR
This paper explores the decomposition properties of quantum discord, revealing conditions under which quantum correlations can be fully characterized by entanglement measures, thus deepening understanding of quantum correlations.
Contribution
It establishes the decomposition condition of quantum discord and links quantum correlations to entanglement measures under this condition.
Findings
Quantum discord decomposition condition identified
Quantum correlations can be fully captured by entanglement under certain conditions
Provides a new perspective on quantum correlations and entanglement
Abstract
The quantum discord was introduced by Ollivier, Zurek, Henderson and Vedral as an indicator of the degree of quantumness of mixed states. In this paper, we give out the decomposition condition of quantum discords. Moreover, we show that under the condition, the quantum correlations between the quantum systems can be captured completely by the entanglement measure.
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Taxonomy
TopicsQuantum Computing Algorithms and Architecture · Quantum Information and Cryptography · Quantum Mechanics and Applications