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Phase diagram of the incommensurate off-diagonal Aubry-Andre model with p-wave pairing
Cai, Xiaoming
2018-08-30
Source PublicationJOURNAL OF PHYSICS-CONDENSED MATTER
ISSN0953-8984
Volume30Issue:34
SubtypeArticle
AbstractUsing exact numerical methods, we study the interplay between p-wave superconductivity and off-diagonal modulation in the incommensurate off-diagonal Aubry-Andre model with p-wave pairing. When chemical potential is zero, the modulation not only leads to an Anderson-like localization with all hulk states changing into critical ones, but also induces a topological phase transition accompanying the disappearing of exponentially localized zero-energy edge Majorana fermions. These two transitions happen at different places and true Anderson localization is absent. With a finite chemical potential, the quasi-periodicity of the modulation causes band splitting and drives the system into a band insulator phase. It has a fixed incommensurate particle density which is determined by the modulation frequency. Phase diagrams are identified, and can be tested with existing proposals for experimental realizations of the effective off-diagonal disorder and the p-wave pairing.
Keyword1d P-wave Superconductor Anderson Localization Topological Phase Transition Band Splitting
WOS HeadingsScience & Technology ; Physical Sciences
Funding OrganizationNKRDP(2016YFA0301503) ; NKRDP(2016YFA0301503) ; NSF of China(11304364 ; NSF of China(11304364 ; 11374331 ; 11374331 ; 11534014) ; 11534014) ; NKRDP(2016YFA0301503) ; NKRDP(2016YFA0301503) ; NSF of China(11304364 ; NSF of China(11304364 ; 11374331 ; 11374331 ; 11534014) ; 11534014) ; NKRDP(2016YFA0301503) ; NKRDP(2016YFA0301503) ; NSF of China(11304364 ; NSF of China(11304364 ; 11374331 ; 11374331 ; 11534014) ; 11534014) ; NKRDP(2016YFA0301503) ; NKRDP(2016YFA0301503) ; NSF of China(11304364 ; NSF of China(11304364 ; 11374331 ; 11374331 ; 11534014) ; 11534014)
DOI10.1088/1361-648X/aad3ef
WOS KeywordMULTIFRACTAL PROPERTIES ; MOBILITY EDGES ; LOCALIZATION ; DIFFUSION ; ELECTRONS ; ABSENCE ; SYSTEM ; CHAIN ; FIELD
Indexed BySCI
Language英语
Funding OrganizationNKRDP(2016YFA0301503) ; NKRDP(2016YFA0301503) ; NSF of China(11304364 ; NSF of China(11304364 ; 11374331 ; 11374331 ; 11534014) ; 11534014) ; NKRDP(2016YFA0301503) ; NKRDP(2016YFA0301503) ; NSF of China(11304364 ; NSF of China(11304364 ; 11374331 ; 11374331 ; 11534014) ; 11534014) ; NKRDP(2016YFA0301503) ; NKRDP(2016YFA0301503) ; NSF of China(11304364 ; NSF of China(11304364 ; 11374331 ; 11374331 ; 11534014) ; 11534014) ; NKRDP(2016YFA0301503) ; NKRDP(2016YFA0301503) ; NSF of China(11304364 ; NSF of China(11304364 ; 11374331 ; 11374331 ; 11534014) ; 11534014)
WOS Research AreaPhysics
WOS SubjectPhysics, Condensed Matter
WOS IDWOS:000440552400001
PublisherIOP PUBLISHING LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.wipm.ac.cn/handle/112942/13017
Collection中国科学院武汉物理与数学研究所
Corresponding AuthorCai, Xiaoming
AffiliationChinese Acad Sci, State Key Lab Magnet Resonance & Atom & Mol Phys, Wuhan Inst Phys & Math, Wuhan 430071, Hubei, Peoples R China
Recommended Citation
GB/T 7714
Cai, Xiaoming. Phase diagram of the incommensurate off-diagonal Aubry-Andre model with p-wave pairing[J]. JOURNAL OF PHYSICS-CONDENSED MATTER,2018,30(34).
APA Cai, Xiaoming.(2018).Phase diagram of the incommensurate off-diagonal Aubry-Andre model with p-wave pairing.JOURNAL OF PHYSICS-CONDENSED MATTER,30(34).
MLA Cai, Xiaoming."Phase diagram of the incommensurate off-diagonal Aubry-Andre model with p-wave pairing".JOURNAL OF PHYSICS-CONDENSED MATTER 30.34(2018).
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