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yexuqing木蟲之王 (文學(xué)泰斗)
太陽系系主任
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Experimental demonstration of logical magic state distillation
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Experimental demonstration of logical magic state distillation 邏輯魔態(tài)蒸餾的實(shí)驗(yàn)演示 ▲ 作者:Pedro Sales Rodriguez, John M. Robinson et al. ▲鏈接: https://www.nature.com/articles/s41586-025-09367-3 ▲摘要: 在此,我們?cè)谥行栽恿孔佑?jì)算機(jī)上實(shí)現(xiàn)了邏輯量子比特的魔態(tài)蒸餾實(shí)驗(yàn)。我們采用動(dòng)態(tài)可重構(gòu)架構(gòu)對(duì)多個(gè)邏輯量子比特的并行編碼與量子操作。 通過基于d=3和d=5色碼的編碼方案,實(shí)驗(yàn)觀察到輸出魔態(tài)的邏輯保真度較輸入邏輯魔態(tài)顯著提升。這些實(shí)驗(yàn)證明了通用容錯(cuò)量子計(jì)算的關(guān)鍵核心組件,標(biāo)志著向大規(guī)模邏輯量子處理器邁出重要一步。 ▲ 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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