Electric quantum oscillations in Weyl semimetals

dc.contributor.authorHwang, Kyusungen
dc.contributor.authorLee, Woo-Ramen
dc.contributor.authorPark, Kwonen
dc.date.accessioned2022-04-05T14:02:09Zen
dc.date.available2022-04-05T14:02:09Zen
dc.date.issued2021-08-09en
dc.description.abstractElectronic transport in Weyl semimetals is quite extraordinary due to the topological property of the chiral anomaly generating the charge pumping between two distantWeyl nodes with opposite chiralities under parallel electric and magnetic fields. Here, we develop a full nonequilibrium quantum transport theory of the chiral anomaly, based on the fact that the chiral charge pumping is essentially nothing but the Bloch oscillation. Specifically, by using the Keldysh nonequilibrium Green function method, it is shown that there is a rich structure in the chiral anomaly transport, including the negative magnetoresistance, the non-Ohmic behavior, the Esaki-Tsu peak, and finally the resonant oscillation of the dc electric current as a function of electric field, called the electric quantum oscillation. We argue that, going beyond the usual behavior of linear response, the non-Ohmic behavior observed in BiSb alloys can be regarded as a precursor to the occurrence of electric quantum oscillation, which is both topologically and energetically protected in Weyl semimetals.en
dc.description.notesThe authors are grateful to Sutirtha Mukherjee and Jee Hoon Kim for various insightful discussions. Also, the authors thank Center for Advanced Computation (CAC) at Korea Institute for Advanced Study (KIAS) for providing computing resources for this work. This work is partially supported by the KIAS Individual Grants, PG032303 (KP) and PG071401 (KH), and the US Army Research Office (ARO) under Grant No. W911NF2010013 and the US Air Force Office of Scientific Research (AFOSR) under Grants No. FA9550-18-1-0505 and No. FA9550-19-1-0272 (WL).en
dc.description.sponsorshipKIAS Individual Grants [PG032303, PG071401]; US Army Research Office (ARO) [W911NF2010013]; US Air Force Office of Scientific Research (AFOSR)United States Department of DefenseAir Force Office of Scientific Research (AFOSR) [FA9550-18-1-0505, FA9550-19-1-0272]en
dc.description.versionPublished versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.doihttps://doi.org/10.1103/PhysRevResearch.3.033132en
dc.identifier.eissn2643-1564en
dc.identifier.issue3en
dc.identifier.other33132en
dc.identifier.urihttp://hdl.handle.net/10919/109543en
dc.identifier.volume3en
dc.language.isoenen
dc.rightsCreative Commons Attribution 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.titleElectric quantum oscillations in Weyl semimetalsen
dc.title.serialPhysical Review Researchen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten

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