Possible Weyl fermions in the magnetic Kondo system CeSb

Condensed matter: Magnetic collectivity A signature of an exotic state of matter is identified in a magnetic material by researchers in China and Germany. The results from Huiqiu Yuan from Zhejiang University and co-workers indicate a new class of topological materials. In the right circumstances, t...

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Autores principales:	Chunyu Guo, Chao Cao, Michael Smidman, Fan Wu, Yongjun Zhang, Frank Steglich, Fu-Chun Zhang, Huiqiu Yuan
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Materials of engineering and construction. Mechanics of materials TA401-492 Atomic physics. Constitution and properties of matter QC170-197
Acceso en línea:	https://doaj.org/article/1a212934a9a54c159b4b8667014a0df2
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spelling	oai:doaj.org-article:1a212934a9a54c159b4b8667014a0df22021-12-02T14:22:33ZPossible Weyl fermions in the magnetic Kondo system CeSb10.1038/s41535-017-0038-32397-4648https://doaj.org/article/1a212934a9a54c159b4b8667014a0df22017-07-01T00:00:00Zhttps://doi.org/10.1038/s41535-017-0038-3https://doaj.org/toc/2397-4648Condensed matter: Magnetic collectivity A signature of an exotic state of matter is identified in a magnetic material by researchers in China and Germany. The results from Huiqiu Yuan from Zhejiang University and co-workers indicate a new class of topological materials. In the right circumstances, the electrons in a material work collectively to behave like particles known as Weyl fermions. Weyl fermions have effectively no mass, making them a fascinating test-bed for novel physics. Yuan and colleagues observed a pronounced negative magnetoresistance when a magnetic field was applied in a direction parallel to an electric current passing through caesium antimonide at low temperature. This signature of a Weyl-fermion state was further supported by electronic-structure calculations. While these evasive particles have been identified in a number of materials in the past, caesium antimonide is different because it is ferromagnetic.Chunyu GuoChao CaoMichael SmidmanFan WuYongjun ZhangFrank SteglichFu-Chun ZhangHuiqiu YuanNature PortfolioarticleMaterials of engineering and construction. Mechanics of materialsTA401-492Atomic physics. Constitution and properties of matterQC170-197ENnpj Quantum Materials, Vol 2, Iss 1, Pp 1-6 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Materials of engineering and construction. Mechanics of materials TA401-492 Atomic physics. Constitution and properties of matter QC170-197
spellingShingle	Materials of engineering and construction. Mechanics of materials TA401-492 Atomic physics. Constitution and properties of matter QC170-197 Chunyu Guo Chao Cao Michael Smidman Fan Wu Yongjun Zhang Frank Steglich Fu-Chun Zhang Huiqiu Yuan Possible Weyl fermions in the magnetic Kondo system CeSb
description	Condensed matter: Magnetic collectivity A signature of an exotic state of matter is identified in a magnetic material by researchers in China and Germany. The results from Huiqiu Yuan from Zhejiang University and co-workers indicate a new class of topological materials. In the right circumstances, the electrons in a material work collectively to behave like particles known as Weyl fermions. Weyl fermions have effectively no mass, making them a fascinating test-bed for novel physics. Yuan and colleagues observed a pronounced negative magnetoresistance when a magnetic field was applied in a direction parallel to an electric current passing through caesium antimonide at low temperature. This signature of a Weyl-fermion state was further supported by electronic-structure calculations. While these evasive particles have been identified in a number of materials in the past, caesium antimonide is different because it is ferromagnetic.
format	article
author	Chunyu Guo Chao Cao Michael Smidman Fan Wu Yongjun Zhang Frank Steglich Fu-Chun Zhang Huiqiu Yuan
author_facet	Chunyu Guo Chao Cao Michael Smidman Fan Wu Yongjun Zhang Frank Steglich Fu-Chun Zhang Huiqiu Yuan
author_sort	Chunyu Guo
title	Possible Weyl fermions in the magnetic Kondo system CeSb
title_short	Possible Weyl fermions in the magnetic Kondo system CeSb
title_full	Possible Weyl fermions in the magnetic Kondo system CeSb
title_fullStr	Possible Weyl fermions in the magnetic Kondo system CeSb
title_full_unstemmed	Possible Weyl fermions in the magnetic Kondo system CeSb
title_sort	possible weyl fermions in the magnetic kondo system cesb
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/1a212934a9a54c159b4b8667014a0df2
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Possible Weyl fermions in the magnetic Kondo system CeSb

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