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Emergence of Weyl fermions by ferrimagnetism in a noncentrosymmetric magnetic Weyl semimetal

Li, Cong (author)
KTH Royal Institute of Technology,KTH,Material- och nanofysik,Department of Applied Physics, Stanford University, Stanford, CA, 94305, USA
Zhang, Jianfeng (author)
Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, China
Wang, Yang (author)
KTH Royal Institute of Technology,KTH,Material- och nanofysik,Renmin University of China
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Liu, Hongxiong (author)
Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, China
Guo, Qinda (author)
KTH Royal Institute of Technology,KTH,Material- och nanofysik
Rienks, Emile (author)
Helmholtz-Zentrum Berlin für Materialien und Energie, Elektronenspeicherring BESSY II, Albert-Einstein-Straße 15, 12489, Berlin, Germany,Helmholtz Association of German Research Centers
Chen, Wanyu (author)
KTH Royal Institute of Technology,KTH,Material- och nanofysik
Bertran, Francois (author)
Synchrotron SOLEIL, L’Orme des Merisiers, Départementale 128, 91190, Saint-Aubin, France
Yang, Huancheng (author)
Department of Physics and Beijing Key Laboratory of Opto-electronic Functional Materials & Micro-nano Devices, Renmin University of China, Beijing, 100872, China
Phuyal, Dibya, 1985- (author)
KTH Royal Institute of Technology,KTH,Material- och nanofysik
Fedderwitz, Hanna (author)
Lund University,Lunds universitet,MAX IV-laboratoriet,MAX IV Laboratory
Thiagarajan, Balasubramanian (author)
Lund University,Lunds universitet,MAX IV-laboratoriet,MAX IV Laboratory
Dendzik, Maciej (author)
KTH Royal Institute of Technology,KTH,Material- och nanofysik
Berntsen, Magnus H. (author)
KTH Royal Institute of Technology,KTH,Material- och nanofysik
Shi, Youguo (author)
Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, China
Xiang, Tao (author)
Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, China
Tjernberg, Oscar, 1967- (author)
KTH Royal Institute of Technology,KTH,Material- och nanofysik
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 (creator_code:org_t)
Springer Nature, 2023
2023
English.
In: Nature Communications. - : Springer Nature. - 2041-1723. ; 14:1
Related links:
https://doi.org/10.1...
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http://dx.doi.org/10... (free)
https://urn.kb.se/re...
https://doi.org/10.1...
https://lup.lub.lu.s...
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  • Journal article (peer-reviewed)
Abstract Subject headings
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  • Condensed matter physics has often provided a platform for investigating the interplay between particles and fields in cases that have not been observed in high-energy physics. Here, using angle-resolved photoemission spectroscopy, we provide an example of this by visualizing the electronic structure of a noncentrosymmetric magnetic Weyl semimetal candidate NdAlSi in both the paramagnetic and ferrimagnetic states. We observe surface Fermi arcs and bulk Weyl fermion dispersion as well as the emergence of new Weyl fermions in the ferrimagnetic state. Our results establish NdAlSi as a magnetic Weyl semimetal and provide an experimental observation of ferrimagnetic regulation of Weyl fermions in condensed matter.

Subject headings

NATURVETENSKAP  -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Condensed Matter Physics (hsv//eng)

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