Tighter Monogamy Relations in Multi-Qubit Systems
Yudie Gu, Yanmin Yang, Jialing Zhang, Wei Chen
TL;DR
This paper introduces improved monogamy relations for multiqubit quantum entanglement using various entanglement measures, demonstrating their tighter bounds compared to previous relations.
Contribution
The paper provides new, tighter monogamy inequalities for multiqubit entanglement based on concurrence, entanglement of formation, and negativity.
Findings
New monogamy relations are tighter than existing ones.
Detailed examples confirm the tightness of the proposed inequalities.
The relations apply to multiple entanglement measures.
Abstract
In this paper, we present some monogamy relations of multiqubit quantum entanglement in terms of the \beta th power of concurrence, entanglement of formation and convex-roof extended negativity. These monogamy relations are proved to be tighter than the existing ones, together with detailed examples showing the tightness.
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Taxonomy
TopicsQuantum Computing Algorithms and Architecture · Quantum Information and Cryptography · Quantum Mechanics and Applications