Tighter bounds for generalized monogamy and polygamy relations
Yue Cao, Naihuan Jing, Yiling Wang
TL;DR
This paper introduces improved bounds for monogamy and polygamy relations in quantum systems, using a new method that is effective across all parameter regions, enhancing previous limitations.
Contribution
The authors develop a generalized approach for bounds on quantum correlations that overcomes previous region-specific limitations, applicable to concurrence and negativity of assistance.
Findings
New bounds are effective in all parameter regions.
The method improves upon previous region-specific approaches.
Detailed examples demonstrate the method's broad applicability.
Abstract
We study generalized monogamy and polygamy relations for concurrence of assistance and negativity of assistance using parametrized bounds in general multi-partite quantum systems. The new method overcomes the shortcomings of previous studies where a method is only good at a particular region. We provide detailed examples to show why the new approach is effective in all regions.
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