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arXiv 1301.3161cond-mat.mes-hallcond-mat.supr-con
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利用4 π-约瑟夫森效应实现Majorana零模与超导量子比特相干耦合的方案

Proposal for Coherent Coupling of Majorana Zero Modes and Superconducting Qubits Using the 4 pi-Josephson Effect

David Pekker, Chang-Yu Hou, Vladimir E. Manucharyan, Eugene Demler

摘要:

我们建议使用辅助通量量子比特与拓扑一维线托管的Majorana量子比特相互作用。耦合是使用马约拉纳量子比特控制的4 π约瑟夫森效应来通量偏置磁通鎓量子比特而获得的。我们演示了如何使用这种耦合来灵敏地识别拓扑超导性,测量Majorana量子比特的状态,构建2-量子比特操作,并实现具有拓扑保护的量子存储器。

英文摘要:

We propose to use an ancilla fluxonium qubit to interact with a Majorana qubit hosted by a topological one-dimensional wire. The coupling is obtained using the Majorana qubit-controlled 4 pi Josephson effect to flux bias the fluxonium qubit. We demonstrate how this coupling can be used to sensitively identify the topological superconductivity, to measure the state of the Majorana qubit, to construct 2-qubit operations, and to implement quantum memories with the topological protection.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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