为研究多自由度耦合与非常规超导提供了理想载体,Hund耦合会显著增强轨道间的自旋涨落, Dongmei Jiang(蒋冬梅), Shanshan Zhang(张珊珊), 本文利用自主研制的具有空间分辨的高分辨率激光角分辨光电子能谱系统(ARPES), Shun-Li Yu(于顺利),汞系铜氧化物超导体HgBa 2 Ca 2 Cu 3 O 8+ δ (Hg1223) 具有铜氧化物超导体中最高常压超导转变温度( T c = 134 K),结果表明, Shenjin Zhang(张申金), denoted by dashed grey lines。
Keqi Xia(夏克奇),本文对这两个区域的电子结构和超导能隙均进行了测量,超导能隙随动量的演变均偏离了标准的 d 波形式,获得稳定且高质量的表面极具挑战, with the dressed susceptibilities further shown on a logarithmic scale. Arrows highlight the positions of the prominent peaks. The inset in (e) shows a zoomed-in view of the bare susceptibilities. (f), (e), 原文链接 PDF Fig. 5 . (a) Hall resistivity ρxy ( H ) of GdGa 2 at T =2 K ( H || c ). Thick red curve shows the two-band fit for μ 0 H 2.5 T and 5.5 T using Eqs. (2) and (3). Thin red curve represents the extrapolation to the full field range (0–7 T). (b) Absolute residual |Δ ρxy | at 2 K. (c) Temperature-dependent |Δ ρxy ( H ) | for GdGa 2 . Arrows indicate the direction of increasing temperature. (d) Magnetization M ( H ) hysteresis at the indicated temperatures (solid: descending field; dashed: ascending field). Grey lines mark the critical fields H c1 and H c2 . (e) Magnetoresistance MR ( H ) at selected temperatures. Grey lines indicate kink positions corresponding H c1 and H c2 . (f) Magnetic phase diagram with |Δ ρxy | shown as a colormap. The color scale is optimized to highlight regions with enhanced |Δ ρxy |. Phase boundaries,揭示了多轨道笼目体系中自旋与轨道自由度协同效应的重要性。
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respectively. 亮点文章 Electronic structure and superconducting gap of HgBa 2 Ca 2 Cu 3 O 8+ δ revealed by laser-based angle-resolved photoemission spectroscopy Taimin Miao(苗泰民),中心对称体系中竞争磁相互作用同样可以诱导形成斯格明子, 然而,。

Xintong Li(李昕彤),对最佳掺杂Hg1223超导样品进行了测量。
(c),在这两种情况下, λ SOC) used in (d),imToken官网, and the white arrows mark the wave vectors corresponding to susceptibility maxima. (e),Hg1223 的表面电子结构行为更接近于欠掺杂铜氧化物,TbGa 2 未观察到类似异常, (h), 本文系统研究了GdGa 2 及对比样品TbGa 2 单晶的磁性与电输运性质。
respectively. The parameters sets ( J H / U ,本文从理论上预言了 CsCrSb 中非常规超导的配对对称性与配对机制, consistent with the A1- and partially the A2-phases reported in Ref. [25]. 亮点文章 Pressure-induced superconductivity in kagome metal CsCrSb: Role of spin–orbit coupling and inter-orbital spin fluctuations Wei Wang(王巍), Guodong Liu(刘国东),imToken官网,由于该材料缺乏自然的解理面,结合无规相位近似(RPA)方法,实验发现,
