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- W4310487198 abstract "Quantum repeaters pave the way for long-distance quantum communications and quantum Internet, and the idea of quantum repeaters is based on entanglement swapping which requires the implementation of controlled quantum gates. Frequently measuring a quantum system affects its dynamics which is known as the quantum Zeno effect (QZE). Beyond slowing down its evolution, QZE can be used to control the dynamics of a quantum system by introducing a carefully designed set of operations between measurements. Here, we propose an entanglement swapping protocol based on QZE, which achieves almost unit fidelity. Implementation of our protocol requires only simple frequent threshold measurements and single particle rotations. We extend the proposed entanglement swapping protocol to a series of repeater stations for constructing quantum Zeno repeaters which also achieve almost unit fidelity regardless of the number of repeaters. Requiring no controlled gates, our proposal reduces the quantum circuit complexity of quantum repeaters. Our work has potential to contribute to long distance quantum communications and quantum computing via quantum Zeno effect." @default.
- W4310487198 created "2022-12-11" @default.
- W4310487198 creator A5054502702 @default.
- W4310487198 creator A5071403497 @default.
- W4310487198 date "2022-06-17" @default.
- W4310487198 modified "2023-09-27" @default.
- W4310487198 title "Quantum Zeno Repeaters" @default.
- W4310487198 doi "https://doi.org/10.48550/arxiv.2206.08785" @default.
- W4310487198 hasPublicationYear "2022" @default.
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