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http://hdl.handle.net/10397/82222
| Title: | Log-periodic quantum magneto-oscillations and discrete-scale invariance in topological material HfTe5 | Authors: | Wang, HC Liu, YZ Liu, YJ Xi, CY Wang, JF Liu, J Wang, Y Li, L Lau, SP Tian, ML Yan, JQ Mandrus, D Dai, JY Liu, HW Xie, XC Wang, J |
Issue Date: | 2019 | Source: | National science review, 6 Aug. 2019, v. 6, no. 5, p. 914-920 | Abstract: | Discrete-scale invariance (DSI) is a phenomenon featuring intriguing log-periodicity that can be rarely observed in quantum systems. Here, we report the log-periodic quantum oscillations in the longitudinal magnetoresistivity (rho(xx)) and the Hall traces (rho(yx)) of HfTe5 crystals, which reveal the DSI in the transport-coefficients matrix. The oscillations in rho(xx) and rho(yx) show the consistent logB-periodicity with a phase shift. The finding of the logB oscillations in the Hall resistance supports the physical mechanism as a general quantum effect originating from the resonant scattering. Combined with theoretical simulations, we further clarify the origin of the log-periodic oscillations and the DSI in the topological materials. This work evidences the universality of the DSI in the Dirac materials and provides indispensable information for a full understanding of this novel phenomenon. | Keywords: | Log-periodic oscillations Discrete-scale invariance Topological materials Dirac materials Magnetoresistance Hall resistance |
Publisher: | Oxford University Press | Journal: | National science review | ISSN: | 2095-5138 | EISSN: | 2053-714X | DOI: | 10.1093/nsr/nwz110 | Rights: | © The Author(s) 2019. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the originalwork is properly cited. The following publication Huichao Wang, Yanzhao Liu, Yongjie Liu, Chuanying Xi, Junfeng Wang, Jun Liu, Yong Wang, Liang Li, Shu Ping Lau, Mingliang Tian, Jiaqiang Yan, David Mandrus, Ji-Yan Dai, Haiwen Liu, Xincheng Xie, Jian Wang, Log-periodic quantum magneto-oscillations and discrete-scale invariance in topological material HfTe5, National Science Review, Volume 6, Issue 5, September 2019, Pages 914–920 is available at https://dx.doi.org/10.1093/nsr/nwz110 |
| Appears in Collections: | Journal/Magazine Article |
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| Wang_Magneto-Oscillations_Discrete-Scale_Topological.pdf | 1.87 MB | Adobe PDF | View/Open |
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