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Quantum communication protocols by quantum walks with two coins
Shang, Yun1,2; Wang, Yu1,3; Li, Meng1,3; Lu, Ruqian1,2,4
2018-12-01
Source PublicationEPL
ISSN0295-5075
Volume124Issue:6Pages:7
AbstractWe introduce some new perfect state transfer and generalized long-distance teleportation schemes by quantum walks with two coins. By encoding the transferred information in the coin-1 state and alternately using two coin operators, we can perfectly recover the information in the coin-1 state at the target position by at most two flipping operations. On the basis of quantum walks with two coins on either a line or an N-circle, we can perfectly transfer any qubit state. In addition, using quantum walks with two coins on regular graphs, we can first implement a perfect qudit state transfer by quantum walks. Compared with existing schemes driven by one coin, more general graph structures can be used to perfectly transfer a more general state. We also study how to realize generalized teleportation over long-distance walks by the above quantum walk models. Copyright (C) EPLA, 2019
DOI10.1209/0295-5075/124/60009
Language英语
Funding ProjectNational Key Research and Development Program of China[2016YFB1000902] ; National Natural Science Foundation of China[61472412] ; National Natural Science Foundation of China[61872352] ; Program for Creative Research Group of the National Natural Science Foundation of China[61621003]
WOS Research AreaPhysics
WOS SubjectPhysics, Multidisciplinary
WOS IDWOS:000455828000001
PublisherIOP PUBLISHING LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.amss.ac.cn/handle/2S8OKBNM/32148
Collection数学所
Affiliation1.Chinese Acad Sci, Acad Math & Syst Sci, Inst Math, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Acad Math & Syst Sci, MDIS, NCMIS, Beijing 100190, Peoples R China
3.Univ Chinese Acad Sci, Sch Math Sci, Beijing 100049, Peoples R China
4.Chinese Acad Sci, Inst Comp Technol, Key Lab IIP, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Shang, Yun,Wang, Yu,Li, Meng,et al. Quantum communication protocols by quantum walks with two coins[J]. EPL,2018,124(6):7.
APA Shang, Yun,Wang, Yu,Li, Meng,&Lu, Ruqian.(2018).Quantum communication protocols by quantum walks with two coins.EPL,124(6),7.
MLA Shang, Yun,et al."Quantum communication protocols by quantum walks with two coins".EPL 124.6(2018):7.
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