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Yang Zhicheng's Team from Peking University's School of Physics Realizes Dual Nonequilibrium Phase Transitions Driven by Measurement-Feedback on a Superconducting Quantum Processor
4 day ago /
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Author：小编
In the quantum domain, measurement transcends its conventional role as a passive tool for information acquisition; rather, every measurement actively modifies the quantum system's state. When real-time feedback is incorporated based on the measurement outcomes, the quantum system's evolution follows a closed-loop dynamic process encompassing 'observation-judgment-regulation'. This particular quantum circuit, which integrates measurement and feedback mechanisms, is pivotal for the realization of quantum error correction and fault-tolerant computation. Additionally, it offers a novel platform for investigating nonequilibrium quantum many-body phenomena.
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