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Weyl magnons in breathing pyrochlore antiferromagnets
Li, FY; Li, YD; Kim, YB; Balents, L; Yu, Y; Chen, G; Chen, G (reprint author), Fudan Univ, State Key Lab Surface Phys, Shanghai 200433, Peoples R China.; Chen, G (reprint author), Fudan Univ, Dept Phys, Shanghai 200433, Peoples R China.; Chen, G (reprint author), Fudan Univ, Dept Phys, Ctr Field Theory & Particle Phys, Shanghai 200433, Peoples R China.; Chen, G (reprint author), Collaborat Innovat Ctr Adv Microstruct, Nanjing 210093, Jiangsu, Peoples R China.
2016
发表期刊NATURE COMMUNICATIONS
卷号7页码:12691
文章类型Article
摘要Frustrated quantum magnets not only provide exotic ground states and unusual magnetic structures, but also support unconventional excitations in many cases. Using a physically relevant spin model for a breathing pyrochlore lattice, we discuss the presence of topological linear band crossings of magnons in antiferromagnets. These are the analogues of Weyl fermions in electronic systems, which we dub Weyl magnons. The bulk Weyl magnon implies the presence of chiral magnon surface states forming arcs at finite energy. We argue that such antiferromagnets present a unique example, in which Weyl points can be manipulated in situ in the laboratory by applied fields. We discuss their appearance specifically in the breathing pyrochlore lattice, and give some general discussion of conditions to find Weyl magnons, and how they may be probed experimentally. Our work may inspire a re-examination of the magnetic excitations in many magnetically ordered systems.
学科领域Science & Technology - Other Topics
资助者Start-Up Fund of Fudan University ; Start-Up Fund of Fudan University ; Start-Up Fund of Fudan University ; Start-Up Fund of Fudan University ; Thousand-Youth-Talent Program of People's Republic of China ; Thousand-Youth-Talent Program of People's Republic of China ; Thousand-Youth-Talent Program of People's Republic of China ; Thousand-Youth-Talent Program of People's Republic of China ; NSERC ; NSERC ; NSERC ; NSERC ; DOE Office of Basic Energy Sciences [DE-FG02-08ER46524] ; DOE Office of Basic Energy Sciences [DE-FG02-08ER46524] ; DOE Office of Basic Energy Sciences [DE-FG02-08ER46524] ; DOE Office of Basic Energy Sciences [DE-FG02-08ER46524] ; 973 Program of MOST of China [2012CB821402] ; 973 Program of MOST of China [2012CB821402] ; 973 Program of MOST of China [2012CB821402] ; 973 Program of MOST of China [2012CB821402] ; NNSF of China [11174298, 11474061] ; NNSF of China [11174298, 11474061] ; NNSF of China [11174298, 11474061] ; NNSF of China [11174298, 11474061] ; Start-Up Fund of Fudan University ; Start-Up Fund of Fudan University ; Start-Up Fund of Fudan University ; Start-Up Fund of Fudan University ; Thousand-Youth-Talent Program of People's Republic of China ; Thousand-Youth-Talent Program of People's Republic of China ; Thousand-Youth-Talent Program of People's Republic of China ; Thousand-Youth-Talent Program of People's Republic of China ; NSERC ; NSERC ; NSERC ; NSERC ; DOE Office of Basic Energy Sciences [DE-FG02-08ER46524] ; DOE Office of Basic Energy Sciences [DE-FG02-08ER46524] ; DOE Office of Basic Energy Sciences [DE-FG02-08ER46524] ; DOE Office of Basic Energy Sciences [DE-FG02-08ER46524] ; 973 Program of MOST of China [2012CB821402] ; 973 Program of MOST of China [2012CB821402] ; 973 Program of MOST of China [2012CB821402] ; 973 Program of MOST of China [2012CB821402] ; NNSF of China [11174298, 11474061] ; NNSF of China [11174298, 11474061] ; NNSF of China [11174298, 11474061] ; NNSF of China [11174298, 11474061]
DOIhttp://dx.doi.org/10.1038/ncomms12691
收录类别SCI
语种英语
资助者Start-Up Fund of Fudan University ; Start-Up Fund of Fudan University ; Start-Up Fund of Fudan University ; Start-Up Fund of Fudan University ; Thousand-Youth-Talent Program of People's Republic of China ; Thousand-Youth-Talent Program of People's Republic of China ; Thousand-Youth-Talent Program of People's Republic of China ; Thousand-Youth-Talent Program of People's Republic of China ; NSERC ; NSERC ; NSERC ; NSERC ; DOE Office of Basic Energy Sciences [DE-FG02-08ER46524] ; DOE Office of Basic Energy Sciences [DE-FG02-08ER46524] ; DOE Office of Basic Energy Sciences [DE-FG02-08ER46524] ; DOE Office of Basic Energy Sciences [DE-FG02-08ER46524] ; 973 Program of MOST of China [2012CB821402] ; 973 Program of MOST of China [2012CB821402] ; 973 Program of MOST of China [2012CB821402] ; 973 Program of MOST of China [2012CB821402] ; NNSF of China [11174298, 11474061] ; NNSF of China [11174298, 11474061] ; NNSF of China [11174298, 11474061] ; NNSF of China [11174298, 11474061] ; Start-Up Fund of Fudan University ; Start-Up Fund of Fudan University ; Start-Up Fund of Fudan University ; Start-Up Fund of Fudan University ; Thousand-Youth-Talent Program of People's Republic of China ; Thousand-Youth-Talent Program of People's Republic of China ; Thousand-Youth-Talent Program of People's Republic of China ; Thousand-Youth-Talent Program of People's Republic of China ; NSERC ; NSERC ; NSERC ; NSERC ; DOE Office of Basic Energy Sciences [DE-FG02-08ER46524] ; DOE Office of Basic Energy Sciences [DE-FG02-08ER46524] ; DOE Office of Basic Energy Sciences [DE-FG02-08ER46524] ; DOE Office of Basic Energy Sciences [DE-FG02-08ER46524] ; 973 Program of MOST of China [2012CB821402] ; 973 Program of MOST of China [2012CB821402] ; 973 Program of MOST of China [2012CB821402] ; 973 Program of MOST of China [2012CB821402] ; NNSF of China [11174298, 11474061] ; NNSF of China [11174298, 11474061] ; NNSF of China [11174298, 11474061] ; NNSF of China [11174298, 11474061]
WOS类目Multidisciplinary Sciences
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/21544
专题理论物理所SCI论文
通讯作者Chen, G (reprint author), Fudan Univ, State Key Lab Surface Phys, Shanghai 200433, Peoples R China.; Chen, G (reprint author), Fudan Univ, Dept Phys, Shanghai 200433, Peoples R China.; Chen, G (reprint author), Fudan Univ, Dept Phys, Ctr Field Theory & Particle Phys, Shanghai 200433, Peoples R China.; Chen, G (reprint author), Collaborat Innovat Ctr Adv Microstruct, Nanjing 210093, Jiangsu, Peoples R China.
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Li, FY,Li, YD,Kim, YB,et al. Weyl magnons in breathing pyrochlore antiferromagnets[J]. NATURE COMMUNICATIONS,2016,7:12691.
APA Li, FY.,Li, YD.,Kim, YB.,Balents, L.,Yu, Y.,...&Chen, G .(2016).Weyl magnons in breathing pyrochlore antiferromagnets.NATURE COMMUNICATIONS,7,12691.
MLA Li, FY,et al."Weyl magnons in breathing pyrochlore antiferromagnets".NATURE COMMUNICATIONS 7(2016):12691.
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