超导与多晶电荷密度波之间依赖于掺杂的竞争关系
超导电性
2020-01-08 v3 强关联电子
摘要
通过对 LaSrCuO 薄膜的高脉冲磁场电阻数据进行系统分析,我们提取了从极欠掺杂到极过掺杂区间内若干掺杂值的实验相图。我们的分析凸显了电荷密度波与超导之间的竞争,该竞争在 到 之间普遍存在,并产生先前观察到的双步转变。当被强磁场抑制时,超导在分别以 和 为中心的两个特定掺杂范围内具有韧性,且竞争电荷密度波相的起始特征温度在 以上消失。在 处,发现两相在零磁场下恰好共存。
引用
@article{arxiv.1908.03408,
title = {Doping-dependent competition between superconductivity and polycrystalline charge density waves},
author = {S. Caprara and M. Grilli and J. Lorenzana and B. Leridon},
journal= {arXiv preprint arXiv:1908.03408},
year = {2020}
}
备注
13 figures. Changes from previous version are in red. A few clarifications and a discussion about the different materials were added together with additional references