Quasi-linear 'non-metallic' resistivity in the distorted-kagome metal CrPdAs [0.03%]
扭曲蜂窝晶格金属CrPdAs中的准线性“非金属”电阻率
Benny Lau,Wenlong Wu,Bo Yuan et al.
Benny Lau et al.
We report the growth and characterization of single crystals of the distorted-kagome lattice compound CrPdAs. Spin-glass behaviour with $T_{SG} ~ 60 K is observed in all crystals tested.Some growths show in addition a magnetic impurity phas...
Effects of off-diagonal disorder on a four-dimensional topological insulator [0.03%]
非对角散射对四维拓扑绝缘体的影响
Xiang Liu,Xiao-Xia Yi,Zheng-Rong Liu et al.
Xiang Liu et al.
While the effects of off-diagonal disorder have been extensively studied in low-dimensional topological systems, such research remains insufficient in four-dimensional (4D) topological systems. In this work, we investigate the effect of off...
Topology and localizations in a 2D Su-Schrieffer-Heeger model with domain walls, quasi-periodic disorder and periodic hopping modulations [0.03%]
二维Su-Schrieffer-Heeger模型中拓扑和局域化：结构域壁、拟周期无序及周期跳跃调制的影响
Surajit Mandal,Satyaki Kar
Surajit Mandal
We study a two dimensional (2D) Su-Schrieffer-Heeger (SSH) model on a square lattice in presence
of domain walls (DW) / vortices or quasi-periodic disorders to investigate the nature of topology
and localizations in its quantum stat...
Spin Josephson diode effect induced by higher-harmonic spin Josephson currents in a diffusive Josephson junction [0.03%]
具有高次谐波自旋约瑟夫森电流的扩散约瑟夫森结中的自旋约瑟夫森二极管效应
Shin-Ichi Hikino
Shin-Ichi Hikino
We theoretically investigate the spin Josephson diode effect (SJDE) in a diffusive Josephson junction with a Rashba metal layer under a ferromagnetic exchange field. Within the quasiclassical Green's function framework, we derive analytical...
Non-Hermitian physics in the dissipative many-body system of Rydberg atoms [0.03%]
里德伯原子耗散多体系统中的非厄米物理
Dongsheng Ding,Ya-Jun Wang,Jun Zhang
Dongsheng Ding
Non-Hermitian physics exhibits unique physical properties beyond those of traditional Hermitian systems, such as symmetry breaking, the emergence of exceptional points, topological phase transitions, and more. These phenomena have been exte...
Long-wavelength density response and momentum resolution in strange-metal charge spectroscopy [0.03%]
奇异金属充电光谱的长波长密度响应和动量分辨率
Ilmo Sung
Ilmo Sung
Momentum-resolved electron energy-loss spectroscopy (EELS) on strange-metal Bi$_2$Sr$_2$CaCu$_2$O$_{8+x}$ (Bi-2212) observes a broad charge continuum that is nearly momentum independent over an extended finite-momentum regime, whereas optic...
Tuning interfacial thermal conductance by combining single vacancy and atomic mass variation in crystalline and amorphous interface [0.03%]
通过结合单个空位和原子质量变化在晶界和非晶界面调节界面热导率
Zongjian Xiong,Yekang Yin,Benoit Latour et al.
Zongjian Xiong et al.
Interfacial thermal resistance critically limits heat dissipation in nanoscale semiconductor devices. Although varying atomic mass and introducing vacancy defects in interface have each been shown to enhance interfacial thermal conductance ...
Magnetic anisotropy tuning in room temperature ferromagnet Ca_2FeMoO_6 [0.03%]
室温铁磁体Ca2FeMoO6中的磁各向异性调控
Wakeel Ahmad,Pranjul Garg,Dipak Sahu et al.
Wakeel Ahmad et al.
Magnetic anisotropy is often tuned through various approaches, including chemical substitution, shape engineering, defect manipulation, and strain.Here, we demonstrate the strain-mediated control of magnetic in room-temperature ferromagneti...
Classification of Field-Driven Topological Magnon Transitions in Triangular and Honeycomb Skyrmion Crystals [0.03%]
三角形和蜂窝状Skyrmion晶体的场驱动拓扑 magnon跃迁分类
Bilal Jabakhanji,Doried Ghader
Bilal Jabakhanji
We investigate field-driven topological magnon transitions in two-dimensional ferromagnetic skyrmion crystals (SkXs) on triangular and honeycomb lattices. Using atomistic spin simulations and linear spin-wave calculations, we track the evol...
Emergent U (1) gauge field for antiferromagnetic magnons from phonon Poincaré skyrmions [0.03%]
来源于声子庞加莱斯格明的反铁磁元激发U（1）规范场
Dongwook Lee,Jiwon Seo
Dongwook Lee
It is shown that a spatially structured chiral phonon field acts on the magnon doublet of a collinear antiferromagnet as a U(1) Berry connection, with the emergent magnetic field equal to the topological charge density of the phonon Stokes ...