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Doping dependence of the phase diagram in one-dimensional extended Hubbard model: a functional renormalization group study
Xiang YY; Liu XJ; Yuan YH; Cao J; Tang CM
Source PublicationJOURNAL OF PHYSICS-CONDENSED MATTER
2019-03-27
Volume31Issue:12Pages:AR125601
ISSN0953-8984
AbstractUsing functional renormalization group method, we studied the phase diagram of the one- dimensional extended Hubbard model at different dopings. At half filling, variety of states strongly compete with each other. These states include spin-density wave, charge-density wave, s-wave and p-wave superconductivity, phase separation. and an exotic bond-order wave. By doping, system favours superconductivity more than density waves. At 1/8 doping, a new area of extended s-wave superconductivity emerges between charge density wave and bond-order wave regions. If the system is doped to 1/4-doping, a new area of p-wave superconductivity emerges between charge-density wave and spin-density wave regions.
Keywordfunctional renormalization group (FRG) extended Hubbard model (EHM) phase diagram (PD) bond order wave (BOW) s-wave superconductivity (SSC) p-wave superconductivity (PSC)
DOI10.1088/1361-648X/aafd4d
Indexed BySCI ; EI
Language英语
WOS IDWOS:000457185300001
WOS KeywordTRANSITION ; SUPERCONDUCTIVITY ; WAVE
WOS Research AreaPhysics, Condensed Matter
WOS SubjectPhysics
Funding OrganizationNational Science Foundation of China [11504085] ; Natural Science Foundation of Jiangsu Province [BK20160854] ; Fundamental Research Funds for the Central Universities [2018B58714]
Classification二类
Ranking2
Citation statistics
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/78516
Collection非线性力学国家重点实验室
Affiliation1.{Xiang, Yuan-Yuan、Liu, Xiao-Jie、Yuan, Ying-Han、Cao, Jie、Tang, Chun-Mei} Hohai Univ, Coll Sci, Dept Phys, Nanjing, Jiangsu, Peoples R China
2.{Liu, Xiao-Jie} Chinese Acad Sci, Inst Mech, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Xiang YY,Liu XJ,Yuan YH,et al. Doping dependence of the phase diagram in one-dimensional extended Hubbard model: a functional renormalization group study[J]. JOURNAL OF PHYSICS-CONDENSED MATTER,2019,31(12):AR125601.
APA Xiang YY,Liu XJ,Yuan YH,Cao J,&Tang CM.(2019).Doping dependence of the phase diagram in one-dimensional extended Hubbard model: a functional renormalization group study.JOURNAL OF PHYSICS-CONDENSED MATTER,31(12),AR125601.
MLA Xiang YY,et al."Doping dependence of the phase diagram in one-dimensional extended Hubbard model: a functional renormalization group study".JOURNAL OF PHYSICS-CONDENSED MATTER 31.12(2019):AR125601.
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