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Electrodynamic response of the type-II Weyl semimetal YbMnBi2
Chinotti, M; Pal, A; Ren, WJ; Petrovic, C; Degiorgi, L; Degiorgi, L (reprint author), Swiss Fed Inst Technol, Festkorperphys Lab, CH-8093 Zurich, Switzerland.
2016-12-01
发表期刊PHYSICAL REVIEW B
ISSN2469-9950
卷号94期号:24
摘要Weyl fermions play a major role in quantum field theory but have been quite elusive as fundamental particles. Materials based on quasi-two-dimensional bismuth layers were recently designed and provide an arena for studying the interplay between anisotropic Dirac fermions, magnetism, and structural changes, allowing the formation of Weyl fermions in condensed matter. Here, we perform an optical investigation of YbMnBi2, a representative type-IIWeyl semimetal, and contrast its excitation spectrum with the optical response of the more conventional semimetal EuMnBi2. Our comparative study allows us to disentangle the optical fingerprints of type-IIWeyl fermions, but also challenges the present theoretical understanding of their electrodynamic response.
部门归属[chinotti, m. ; pal, a. ; degiorgi, l.] swiss fed inst technol, festkorperphys lab, ch-8093 zurich, switzerland ; [ren, w. j. ; petrovic, c.] brookhaven natl lab, condensed matter phys, upton, ny 11973 usa ; [ren, w. j. ; petrovic, c.] brookhaven natl lab, dept mat sci, upton, ny 11973 usa ; [ren, w. j.] chinese acad sci, shenyang natl lab mat sci, inst met res, shenyang 110016, peoples r china
学科领域Physics, Condensed Matter
资助者Swiss National Science Foundation (SNSF); U.S. DOE-BES, Division of Materials Science and Engineering [DE-SC0012704]
收录类别sci
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/76161
专题中国科学院金属研究所
通讯作者Degiorgi, L (reprint author), Swiss Fed Inst Technol, Festkorperphys Lab, CH-8093 Zurich, Switzerland.
推荐引用方式
GB/T 7714
Chinotti, M,Pal, A,Ren, WJ,et al. Electrodynamic response of the type-II Weyl semimetal YbMnBi2[J]. PHYSICAL REVIEW B,2016,94(24).
APA Chinotti, M,Pal, A,Ren, WJ,Petrovic, C,Degiorgi, L,&Degiorgi, L .(2016).Electrodynamic response of the type-II Weyl semimetal YbMnBi2.PHYSICAL REVIEW B,94(24).
MLA Chinotti, M,et al."Electrodynamic response of the type-II Weyl semimetal YbMnBi2".PHYSICAL REVIEW B 94.24(2016).
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