Witness to detect quantum correlation of bipartite states in arbitrary dimension
Zhi-Hao Ma, Zhi-Hua Chen, Jing-Ling Chen
TL;DR
This paper introduces a nonlinear witness for detecting the absence of quantum correlation in bipartite states across arbitrary dimensions, generalizing previous results based on Bloch representation.
Contribution
It presents a new nonlinear witness that extends the detection of quantum correlation vanishment to higher-dimensional bipartite states, broadening the applicability of prior methods.
Findings
Provides a sufficient condition for quantum correlation detection.
Generalizes previous bipartite quantum correlation results to arbitrary dimensions.
Uses Bloch representation for the analysis.
Abstract
In this work we introduce a nonlinear witness that is a sufficient condition for detecting the vanishment of quantum correlation of bipartite states. Our result directly generalizes the result of [J. Maziero, R. M. Serra, arXiv:1012.3075] to arbitrary dimension based on the Bloch representation of density matrices.
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Taxonomy
TopicsQuantum Information and Cryptography · Quantum Mechanics and Applications · Quantum Computing Algorithms and Architecture