Article(id=1242141206650630972, tenantId=1146029695717560320, journalId=1146031591421210625, issueId=1242141201357419314, articleNumber=null, orderNo=null, doi=10.3981/j.issn.1000-7857.2024.03.01184, pmid=null, cstr=null, oa=1, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1711296000000, receivedDateStr=2024-03-25, revisedDate=1715616000000, revisedDateStr=2024-05-14, acceptedDate=null, acceptedDateStr=null, onlineDate=1719504000000, onlineDateStr=2024-06-28, pubDate=1730044800000, pubDateStr=2024-10-28, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1719504000000, onlineIssueDateStr=2024-06-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=1719504000000, onlineFirstDateStr=2024-06-28, sourceXml=null, magXml=null, createTime=1774079141527, creator=sys-migrate, updateTime=1774079141527, updator=sys-migrate, issue=Issue{id=1242141201357419314, tenantId=1146029695717560320, journalId=1146031591421210625, year='2024', volume='42', issue='20', pageStart='1', pageEnd='116', issueExtLink='null', onlineDate='null', pubDate='1730044800000', pubDateStr='2024-10-28', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=null, issueType=-1, specialIssue=null, createTime=1774079140268, creator='sys-migrate', updateTime=1774079140268, updator='sys-migrate', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=6, endPage=13, ext={EN=ArticleExt(id=1242141211281137689, articleId=1242141206650630972, tenantId=1146029695717560320, journalId=1146031591421210625, language=EN, title=Theoretical study of La₃Ni₂O₇ and La₄Ni₃O₁₀, columnId=1242137384486249344, journalTitle=Science & Technology Review, columnName=Special to S&T Review, runingTitle=null, highlight=null, articleAbstract=The discovery of bilayer nickelate superconductor La₃Ni₂O₇ under high pressure has attracted worldwide attention, in which theoretical research plays a vital role. So far, theoretical calculations show that the two e_g Ni 3d_x2-y2 and 3d_z2 orbitals in La₃Ni₂O₇ are crucial to the formation of superconductivity, while the O₂ p orbital also appears on the Fermi surface. Multi-orbital models have been proposed based on the above analysis. Various calculations show that La₃Ni₂O₇ has a s^± wave pairing symmetry although other pairing symmetries can be obtained. Theoretical calculations shows that the superconducting mechanism is unconventional and closely related to antiferromagnetic fluctuation. The vacancy of apical oxygen has a significant impact on the occurrence of superconductivity. The discovery of trilayer nickelate superconductor La₄Ni₃O₁₀ under pressure has further enriched the family of nickelate superconductors. And its electronic band structure, multi-orbital model, superconducting pairing symmetry and so on have been investigated and explored theoretically., authors=YAO Daoxin^1,2,3, authorsList=YAO Daoxin, authorCompany=1. School of Physics, Sun Yat-Sen University, Guangzhou 510275, China;
2. Guangdong Provincial Key Laboratory of Magnetoelectric Physics and Devices, Guangzhou 510275, China;
3. Guangdong Research Center for Magnetoelectric Physics, Guangzhou 510275, China, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1242141209397900102, articleId=1242141206650630972, tenantId=1146029695717560320, journalId=1146031591421210625, language=CN, title=新型镍氧超导体的理论研究, columnId=1242118241766675232, journalTitle=科技导报, columnName=专稿, runingTitle=null, highlight=null, articleAbstract=高压下双层镍氧超导体的发现引发国际上广泛的关注，理论研究发挥很大的作用。目前，理论计算表明La₃Ni₂O₇中镍的2个e_g轨道对超导的产生起到关键作用，同时氧的p轨道也出现在费米面上，相应的多轨道模型已经提出。各种计算表明，新型镍氧超导体可能具有s^±波的特性，对其进行掺杂或加压可以改变超导配对特性。基于强关联相互作用的模型，已经能够较好地解释实验观测的现象。顶点氧空位的存在对于超导的发生会有明显的影响。三层镍氧超导体的发现进一步丰富了镍氧超导体的家族，目前其电子能带结构、多轨道模型、超导配对对称性等都有理论探究。, authors=姚道新^1,2,3, authorsList=姚道新, authorCompany=1. 中山大学物理学院, 广州 510275;
2. 广东省磁电物性分析与器件重点实验室, 广州 510275;
3. 广东省磁电物性基础学科研究中心, 广州 510275, correspAuthors=null, authorNote=姚道新,教授,研究方向为关联电子体系、高温超导、量子磁性、量子蒙特卡罗、拓扑物质等,电子信箱:yaodaox@mail.sysu.edu.cn, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=yNMLkHIn7pF56G11lOPSGg==, pdfFileSize=2041777, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=国家重点研发计划项目（2022YFA1402802，2018YFA0306001）；国家自然科学基金项目（92165204）；广东特支计划领军人才项目（201626003）)}, authors=null, keywords=[Keyword(id=1242141208982664001, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1242141206650630972, language=CN, orderNo=1, keyword=镍基超导体), Keyword(id=1242141209070744386, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1242141206650630972, language=CN, orderNo=1, 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