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Violation of Ohm’s law in a Weyl metal

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dc.contributor.authorDongwoo Shin-
dc.contributor.authorYongwoo Lee-
dc.contributor.authorM.Sasaki-
dc.contributor.authorYoon Hee Jeong-
dc.contributor.authorFranziska Weickert-
dc.contributor.authorJon B. Betts-
dc.contributor.authorHeon-Jung Kim-
dc.contributor.authorKi-Seok Kim-
dc.contributor.authorJeehoon Kim-
dc.date.available2017-12-14T05:33:01Z-
dc.date.created2017-12-13-
dc.date.issued2017-11-
dc.identifier.issn1476-1122-
dc.identifier.urihttps://pr.ibs.re.kr/handle/8788114/4041-
dc.description.abstractOhm’s lawis a fundamental paradigm in the electrical transport of metals1. Any transport signatures violating Ohm’s lawwould give an indisputable fingerprint for a novel metallic state. Here, we uncover the breakdown of Ohm’s law owing to a topological structure of the chiral anomaly in the Weyl metal phase. We observe nonlinear I–V characteristics in Bi0.96Sb0.04 single crystals in the diusive limit, which occurs only for a magnetic-field-aligned electric field (EkB). The Boltzmann transport theory with the charge pumping eect reveals the topological-in-origin nonlinear conductivity, and it leads to a universal scaling function of the longitudinal magnetoconductivity, which completely describes our experimental results. As a hallmark ofWeyl metals, the nonlinear conductivity provides a venue for nonlinear electronics, optical applications, and the development of a topological Fermi-liquid theory beyond the Landau Fermi-liquid theory. © 2017 Macmillan Publishers Limited, part of Springer Nature. All rights reserved.-
dc.language영어-
dc.publisherNATURE PUBLISHING GROUP-
dc.titleViolation of Ohm’s law in a Weyl metal-
dc.typeArticle-
dc.type.rimsART-
dc.identifier.wosid000413668800013-
dc.identifier.scopusid2-s2.0-85043387757-
dc.identifier.rimsid60956ko
dc.date.tcdate2018-10-01-
dc.contributor.affiliatedAuthorDongwoo Shin-
dc.contributor.affiliatedAuthorJeehoon Kim-
dc.identifier.doi10.1038/NMAT4965-
dc.identifier.bibliographicCitationNATURE MATERIALS, v.16, no.11, pp.1096 - 1099-
dc.relation.isPartOfNATURE MATERIALS-
dc.citation.titleNATURE MATERIALS-
dc.citation.volume16-
dc.citation.number11-
dc.citation.startPage1096-
dc.citation.endPage1099-
dc.description.wostc8-
dc.description.journalClass1-
dc.description.journalClass1-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
Appears in Collections:
Center for Artificial Low Dimensional Electronic Systems(원자제어 저차원 전자계 연구단) > 1. Journal Papers (저널논문)
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