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Wu, BH; Cao, JC; Wu, BH (reprint author), Chinese Acad Sci, Lab Solid State Terahertz Technol, Shanghai Inst Microsyst & Informat Technol, 865 Changning Rd, Shanghai 200050, Peoples R China.
Tunneling transport through superconducting wires with Majorana bound states
发表期刊PHYSICAL REVIEW B
语种英语
关键词Quantum Point Contacts Shot-noise
摘要We investigate the transport of a topological superconducting wire hosting a pair of Majorana bound states between two normal leads. Both the model-independent scattering matrix theory and the Green's function method for a tight-binding model show that the transport properties are sensitive to the coupling configurations. Unlike the single-lead situation, the differential conductance peak fixes at zero bias until the coupling between the two Majorana bound states exceeds a critical value, which is determined by the coupling strengths to the leads. While the current noise Fano factor for single-lead devices reaches 2 at low bias due to the resonant Andreev reflection, it is significantly reduced by a finite though small coupling to the second lead. These observations provide clear transport signatures of Majorana bound states for different coupling configurations.
2012
ISSN1098-0121
卷号85期号:8页码:85415
学科领域Physics
收录类别SCI
项目资助者Natural Science Foundation of China [11074266, 61131006, 60721004]; Important National Science and Technology Specific Projects [2011ZX02707]; CAS; Shanghai Municipal Commission of Science and Technology [10JC1417000]; [YYYJ-1123-1] ; Natural Science Foundation of China [11074266, 61131006, 60721004]; Important National Science and Technology Specific Projects [2011ZX02707]; CAS; Shanghai Municipal Commission of Science and Technology [10JC1417000]; [YYYJ-1123-1] ; Natural Science Foundation of China [11074266, 61131006, 60721004]; Important National Science and Technology Specific Projects [2011ZX02707]; CAS; Shanghai Municipal Commission of Science and Technology [10JC1417000]; [YYYJ-1123-1] ; Natural Science Foundation of China [11074266, 61131006, 60721004]; Important National Science and Technology Specific Projects [2011ZX02707]; CAS; Shanghai Municipal Commission of Science and Technology [10JC1417000]; [YYYJ-1123-1]
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/15164
专题理论物理所科研产出_SCI论文
通讯作者Wu, BH (reprint author), Chinese Acad Sci, Lab Solid State Terahertz Technol, Shanghai Inst Microsyst & Informat Technol, 865 Changning Rd, Shanghai 200050, Peoples R China.
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Wu, BH,Cao, JC,Wu, BH . Tunneling transport through superconducting wires with Majorana bound states[J]. PHYSICAL REVIEW B,2012,85(8):85415.
APA Wu, BH,Cao, JC,&Wu, BH .(2012).Tunneling transport through superconducting wires with Majorana bound states.PHYSICAL REVIEW B,85(8),85415.
MLA Wu, BH,et al."Tunneling transport through superconducting wires with Majorana bound states".PHYSICAL REVIEW B 85.8(2012):85415.
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