Quantum oscillations in the noncentrosymmetric superconductor and topological nodal-line semimetal PbTaSe2

Xitong Xu, Zhibo Kang, Tay Rong Chang, Hsin Lin, Guang Bian, Zhujun Yuan, Zhe Qu, Jinglei Zhang, Shuang Jia

研究成果: Article同行評審

11 引文 斯高帕斯(Scopus)

摘要

We observed quantum oscillations in thermoelectric and magnetic torque signals in noncentrosymmetric superconductor PbTaSe2. One oscillatory frequency stems from the orbits formed by magnetic breakdown, while others are from two-dimensional-like Fermi surfaces near the topological nodal rings. Our comprehensive understanding of the Fermi surface topology of PbTaSe2, including nailing down the Fermi level and detecting the Berry phases near the nodal rings, is crucial for searching plausible topological superconductivity in its bulk and surface states.

原文English
文章編號104516
期刊Physical Review B
99
發行號10
DOIs
出版狀態Published - 2019 三月 22

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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