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Theoretical framework captures entanglement dynamics in qubits, suggesting optimization for quantum circuits.
Abstract This study aims to quantify entanglement in low-temperature superconducting flux qubits using mutual information and concurrence. It presents a theoretical framework, experimental setup for two-qubit systems, and simulations. Results show that the entanglement strength varies periodically with external magnetic flux and saturates with increasing inter-qubit coupling. These results offer guidance for optimizing superconducting quantum circuits in various quantum information processing applications.
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Jianxin Shi (2025) studied this question.
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