Combating quasiparticle poisoning with multiple Majorana fermions in a periodically-driven quantum wire

被引:10
|
作者
Bomantara, Raditya Weda [1 ,2 ]
Gong, Jiangbin [1 ]
机构
[1] Natl Univ Singapore, Dept Phys, Singapore 117543, Singapore
[2] Univ Sydney, Sch Phys, Ctr Engn Quantum Syst, Sydney, NSW 2006, Australia
基金
澳大利亚研究理事会;
关键词
quantum error correction; Majorana fermions; Floquet topological phases; COMPUTATION; SYSTEM;
D O I
10.1088/1361-648X/aba291
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
Quasiparticle poisoning has remained one of the main challenges in the implementation of Majorana-based quantum computing. It inevitably occurs when the system hosting Majorana qubits is not completely isolated from its surrounding, thus considerably limiting its computational time. We propose the use of periodic driving to generate multiple Majorana fermions at each end of a single quantum wire, which naturally provides the necessary resources to implement active quantum error corrections with minimal space overhead. In particular, we present a stabilizer code protocol that can specifically detect and correct any single quasiparticle poisoning event. Such a protocol is implementable via existing proximitized semiconducting nanowire proposals, where all of its stabilizer operators can be measured from an appropriate Majorana parity dependent four-terminal conductance.
引用
收藏
页数:10
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