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Control of the Geometric Phase in Two Open Qubit–Cavity Systems Linked by a Waveguide

Department of Mathematics, College of Science and Humanities, Prince Sattam bin Abdulaziz University, Al-Aflaj 710-11912, Saudi Arabia
Faculty of Science, Assiut University, Assiut 71516, Egypt
Department of Mathematics, Faculty of Science, Jazan University, Gizan 82785, Saudi Arabia
Author to whom correspondence should be addressed.
Entropy 2020, 22(1), 85;
Received: 28 November 2019 / Revised: 28 December 2019 / Accepted: 8 January 2020 / Published: 10 January 2020
(This article belongs to the Special Issue Quantum Dynamics with Non-Hermitian Hamiltonians)
We explore the geometric phase in a system of two non-interacting qubits embedded in two separated open cavities linked via an optical fiber and leaking photons to the external environment. The dynamical behavior of the generated geometric phase is investigated under the physical parameter effects of the coupling constants of both the qubit–cavity and the fiber–cavity interactions, the resonance/off-resonance qubit–field interactions, and the cavity dissipations. It is found that these the physical parameters lead to generating, disappearing and controlling the number and the shape (instantaneous/rectangular) of the geometric phase oscillations. View Full-Text
Keywords: geometric phase; cavity damping; optical fiber geometric phase; cavity damping; optical fiber
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Mohamed, A.-B.A.; Masmali, I. Control of the Geometric Phase in Two Open Qubit–Cavity Systems Linked by a Waveguide. Entropy 2020, 22, 85.

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