Mutually unbiased measurements-induced lower bounds of concurrence

We propose a family of lower bounds for concurrence in quantum systems using mutually unbiased measurements, which prove more effective in entanglement estimation compared to existing methods. Through analytical and numerical examples, we demonstrate that these bounds outperform conventional approaches, particularly in capturing finer entanglement features. Additionally, we introduce separability criterions based on MUMs for arbitrary $d$-dimensional bipartite systems, the research results show that our criterion has more advantages than the existing criteria.

Publication Details

Journal
ArXiv.org
Published
2025-04-18
Primary Topic
Quantum Information and Cryptography
Type
article
Field-Weighted Citation Impact
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article

Mutually unbiased measurements-induced lower bounds of concurrence

ArXiv.org
Quantum Information and Cryptography
article

Mutually unbiased measurements-induced lower bounds of concurrence

article en

Abstract

We propose a family of lower bounds for concurrence in quantum systems using mutually unbiased measurements, which prove more effective in entanglement estimation compared to existing methods. Through analytical and numerical examples, we demonstrate that these bounds outperform conventional approaches, particularly in capturing finer entanglement features. Additionally, we introduce separability criterions based on MUMs for arbitrary $d$-dimensional bipartite systems, the research results show that our criterion has more advantages than the existing criteria.

ArXiv.org
Openalex Percentile: Top 73%
Quantum Information and Cryptography
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Mutually unbiased measurements-induced lower bounds of concurrence · ArXiv.org (2025) | TGRS Research Map | TGRS