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Title: Discovery of log-periodic oscillations in ultraquantum topological materials

Journal Article · · Science Advances
ORCiD logo [1]; ORCiD logo [2];  [3];  [4];  [4]; ORCiD logo [5];  [6];  [5]; ORCiD logo [4];  [7]; ORCiD logo [8]; ORCiD logo [9]; ORCiD logo [9]
  1. Peking Univ., Beijing (China). International Center for Quantum Materials, School of Physics; Collaborative Innovation Center of Quantum Matter, Beijing (China); Hong Kong Polytechnic Univ., Hong Kong (China). Dept. of Applied Physics
  2. Beijing Normal Univ., Beijing (China). Center for Advanced Quantum Studies, Dept. of Physics
  3. Peking Univ., Beijing (China). International Center for Quantum Materials, School of Physics; Collaborative Innovation Center of Quantum Matter, Beijing (China)
  4. Huazhong Univ. of Science and Technology, Wuhan (China). Wuhan National High Magnetic Field Center
  5. Zhejiang Univ. of Technology, Hangzhou (China). Center of Electron Microscopy, State Key Lab. of Silicon Materials, School of Materials Science and Engineering
  6. Hong Kong Polytechnic Univ., Hong Kong (China). Dept. of Applied Physics
  7. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Materials Science & Technology Division
  8. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Materials Science & Technology Division; Univ. of Tennessee, Knoxville, TN (United States). Dept. of Materials Science and Engineering
  9. Peking Univ., Beijing (China). International Center for Quantum Materials, School of Physics; Collaborative Innovation Center of Quantum Matter, Beijing (China); Univ. of Chinese Academy of Sciences, Beijing (China). CAS Center for Excellence in Topological Quantum Computation

Quantum oscillations are usually the manifestation of the underlying physical nature in condensed matter systems. Here, we report a new type of log-periodic quantum oscillations in ultraquantum three-dimensional topological materials. Beyond the quantum limit (QL), we observe the log-periodic oscillations involving up to five oscillating cycles (five peaks and five dips) on the magnetoresistance of high-quality single-crystal ZrTe5, virtually showing the clearest feature of discrete scale invariance (DSI). Further, theoretical analyses show that the two-body quasi-bound states can be responsible for the DSI feature. Finally, our work provides a new perspective on the ground state of topological materials beyond the QL.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
AC05-00OR22725
OSTI ID:
1489552
Journal Information:
Science Advances, Vol. 4, Issue 11; ISSN 2375-2548
Publisher:
AAASCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 49 works
Citation information provided by
Web of Science

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Cited By (4)

The metal-insulator transition in ZrTe 5 induced by temperature journal December 2018
Magneto-thermoelectric characterization of a HfTe 5 micro-ribbon journal August 2019
Log-periodic quantum magneto-oscillations and discrete-scale invariance in topological material HfTe5 journal August 2019
Effect of Coulomb screening on the discrete scale invariance of quasibound states in three-dimensional topological semimetals journal November 2019

Figures / Tables (4)


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