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arXiv · 1704.00995

Discovery of Log-Periodic Oscillations in Ultra-Quantum Topological Materials

Huichao Wang·Haiwen Liu·Yanan Li·Yongjie Liu·Junfeng Wang·Jun Liu·Jiyan Dai·Yong Wang·Liang Li·Jiaqiang Yan·David Mandrus·X. C. Xie·Jian Wang
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Abstract

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 ultra-quantum three-dimensional topological materials. Beyond the quantum limit (QL), the log-periodic oscillations involving up to five oscillating cycles (5 peaks and 5 dips) are observed on the magnetoresistance (MR) 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. Our work provides a new perspective on the ground state of topological materials beyond the QL.

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Huichao Wang, Haiwen Liu, Yanan Li, Yongjie Liu, Junfeng Wang, Jun Liu, Jiyan Dai, Yong Wang, Liang Li, Jiaqiang Yan, David Mandrus, X. C. Xie, Jian Wang. 2017-04-04. Discovery of Log-Periodic Oscillations in Ultra-Quantum Topological Materials. https://doi.org/10.1126/sciadv.aau5096

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