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Linear magnetoresistance in the low-field limit in density-wave materials

Feng, Yejun and Wang, Yishu and Silevitch, D. M. and Yan, J.-Q. and Kobayashi, Riki and Hedo, Masato and Nakama, Takao and Ōnuki, Yoshichika and Suslov, A. V. and Mihaila, B. and Littlewood, P. B. and Rosenbaum, T. F. (2019) Linear magnetoresistance in the low-field limit in density-wave materials. Proceedings of the National Academy of Sciences of the United States of America, 116 (23). pp. 11201-11206. ISSN 0027-8424. PMCID PMC6561266. doi:10.1073/pnas.1820092116.

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The magnetoresistance (MR) of a material is typically insensitive to reversing the applied field direction and varies quadratically with magnetic field in the low-field limit. Quantum effects, unusual topological band structures, and inhomogeneities that lead to wandering current paths can induce a cross-over from quadratic to linear MR with increasing magnetic field. Here we explore a series of metallic charge- and spin-density-wave systems that exhibit extremely large positive linear MR. By contrast to other linear MR mechanisms, this effect remains robust down to miniscule magnetic fields of tens of Oersted at low temperature. We frame an explanation of this phenomenon in a semiclassical narrative for a broad category of materials with partially gapped Fermi surfaces due to density waves.

Item Type:Article
Related URLs:
URLURL TypeDescription CentralArticle
Feng, Yejun0000-0003-3667-056X
Wang, Yishu0000-0002-5171-8376
Silevitch, D. M.0000-0002-6347-3513
Yan, J.-Q.0000-0001-6625-4706
Additional Information:© 2019 the Author(s). Published by PNAS. This open access article is distributed under Creative Commons Attribution-NonCommercial-NoDerivatives License 4.0 (CC BY-NC-ND). Edited by Zachary Fisk, University of California, Irvine, CA, and approved March 15, 2019 (received for review November 25, 2018). PNAS first published April 11, 2019. We are grateful to N. Woo and J. Wang for help with the data collection, and to H. Chen for stimulating discussions. Y.F. acknowledges the support from Okinawa Institute of Science and Technology Graduate University with subsidy funding from the Cabinet Office, Government of Japan. The work at California Institute of Technology was supported by National Science Foundation (NSF) Grant DMR-1606858. Work performed at the NHMFL was supported by NSF Cooperative Agreement DMR-1157490 and the State of Florida. J.-Q.Y. was supported by the US Department of Energy, Office of Science, Basic Energy Sciences, Division of Materials Sciences and Engineering. Y.Ō. acknowledges Japan Society for the Promotion of Science KAKENHI Grants JP18H043298, JP17K05547, and JP16K05453. B.M. acknowledges support from the NSF through its employee independent research and development program. Author contributions: Y.F. and T.F.R. designed research; Y.F., Y.W., D.M.S., R.K., A.V.S., B.M., and P.B.L. performed research; J.-Q.Y., M.H., T.N., and Y.Ō. contributed new reagents/analytic tools; Y.F., Y.W., D.M.S., and T.F.R. analyzed data; and Y.F., Y.W., D.M.S., and T.F.R. wrote the paper. The authors declare no conflict of interest. This article is a PNAS Direct Submission.
Funding AgencyGrant Number
Okinawa Institute of Science and TechnologyUNSPECIFIED
Cabinet Office (Japan)UNSPECIFIED
State of FloridaUNSPECIFIED
Department of Energy (DOE)UNSPECIFIED
Japan Society for the Promotion of Science (JSPS)JP18H043298
Japan Society for the Promotion of Science (JSPS)JP17K05547
Japan Society for the Promotion of Science (JSPS)JP16K05453
Subject Keywords:linear magnetoresistance; density-wave materials; Fermi surface
Issue or Number:23
PubMed Central ID:PMC6561266
Record Number:CaltechAUTHORS:20190412-092526240
Persistent URL:
Official Citation:Linear magnetoresistance in the low-field limit in density-wave materials. Yejun Feng, Yishu Wang, D. M. Silevitch, J.-Q. Yan, Riki Kobayashi, Masato Hedo, Takao Nakama, Yoshichika Ōnuki, A. V. Suslov, B. Mihaila, P. B. Littlewood, T. F. Rosenbaum. Proceedings of the National Academy of Sciences Jun 2019, 116 (23) 11201-11206; DOI: 10.1073/pnas.1820092116
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:94685
Deposited By: Tony Diaz
Deposited On:12 Apr 2019 22:31
Last Modified:01 Mar 2022 17:46

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