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yexuqing木虫之王 (文学泰斗)
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Experimental demonstration of logical magic state distillation
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Experimental demonstration of logical magic state distillation 逻辑魔态蒸馏的实验演示 ▲ 作者:Pedro Sales Rodriguez, John M. Robinson et al. ▲链接: https://www.nature.com/articles/s41586-025-09367-3 ▲摘要: 在此,我们在中性原子量子计算机上实现了逻辑量子比特的魔态蒸馏实验。我们采用动态可重构架构对多个逻辑量子比特的并行编码与量子操作。 通过基于d=3和d=5色码的编码方案,实验观察到输出魔态的逻辑保真度较输入逻辑魔态显著提升。这些实验证明了通用容错量子计算的关键核心组件,标志着向大规模逻辑量子处理器迈出重要一步。 ▲ Abstract: Here we present the experimental realization of magic state distillation with logical qubits on a neutral-atom quantum computer. Our approach uses a dynamically reconfigurable architecture to encode and perform quantum operations on many logical qubits in parallel. We demonstrate the distillation of magic states encoded in d=3 and d=5 colour codes, observing improvements in the logical fidelity of the output magic states compared with the input logical magic states. These experiments demonstrate a key building block of universal fault-tolerant quantum computation and represent an important step towards large-scale logical quantum processors. |
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