三层高碲铜氧化物 HgBa2Ca2Cu3O8+δ 中反铁磁量子临界点附近的电荷秩序

IF 5.4 1区 物理与天体物理 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY
V. Oliviero, I. Gilmutdinov, D. Vignolles, S. Benhabib, N. Bruyant, A. Forget, D. Colson, W. A. Atkinson, C. Proust
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引用次数: 0

摘要

我们研究了掺杂水平 p = 0.10-0.12 的欠掺杂三层铜氧化物 HgBa2Ca2Cu3O8+δ 在高达 88 T 的磁场中的传输特性。基于数值模拟,我们推断内平面的费米面从反铁磁态(空穴)重构为双轴电荷密度波态(电子穴)。我们的研究表明,这两种状态相互竞争并共享费米面上的相同热点,我们还在自旋费米子模型的背景下讨论了我们的结果。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Charge order near the antiferromagnetic quantum critical point in the trilayer high Tc cuprate HgBa2Ca2Cu3O8+δ

Charge order near the antiferromagnetic quantum critical point in the trilayer high Tc cuprate HgBa2Ca2Cu3O8+δ

We study the transport properties of underdoped trilayer cuprate HgBa2Ca2Cu3O8+δ with doping level p = 0.10–0.12 in magnetic field up to 88 T. We report for the first time in a cuprate superconductor a dramatic change of the quantum oscillation spectrum versus temperature, which is accompanied by a sign change of the Hall effect below T ≈10 K. Based on numerical simulations, we infer a Fermi surface reconstruction in the inner plane from an antiferromagnetic state (hole pockets) to a biaxial charge density wave state (electron pockets). We show that both orders compete and share the same hotspots of the Fermi surface, and we discuss our result in the context of spin-fermion models.

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来源期刊
npj Quantum Materials
npj Quantum Materials Materials Science-Electronic, Optical and Magnetic Materials
CiteScore
10.60
自引率
3.50%
发文量
107
审稿时长
6 weeks
期刊介绍: npj Quantum Materials is an open access journal that publishes works that significantly advance the understanding of quantum materials, including their fundamental properties, fabrication and applications.
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