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Dynamics of nonlocal correlation of two superconducting charge qubits induced by intrinsic decoherence

Author name : Nour Abdelmawla Abdelmawgoud Zidan
Publication Date : 2024-10-16
Journal Name : Alexandria Engineering Journal

Abstract

he generated nonlocal correlations of two superconducting-charge (SCC) qubits including uncertainty-induced nonlocality (UIN), Bell-Horodecki nonlocality, and negativity’s entanglement have been explored by intrinsic decoherence model. An initial separable two SCC-qubits state to study the generation of nonlocal correlations. By adjusting the intrinsic decoherence intensity and the two superconducting-qubits interaction parameters (of Josephson energies, the mutual two SCC-qubits coupling energy, and the difference between the Josephson SCC-qubit energies), we can control the produced maximum Bell-Horodecki nonlocality, UIN, and entanglement, which their dynamics align with the hierarchy principle. It is found that the generations of two-qubit states, having Bell-Horodecki nonlocality, UIN, and negativity entanglement, by the interactions of two SCC-qubits depend on their interaction parameters

Keywords

SCC-qubits coupling energy, negativity entanglement, maximum Bell-Horodecki nonlocality

Publication Link

https://doi.org/10.1016/j.aej.2024.07.050

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