Energy-level statistics in strongly disordered systems with power-law hopping [0.03%]
幂律跃迁强无序系统中的能级统计规律
Paraj Titum,Victor L Quito,Sergey V Syzranov
Paraj Titum
Motivated by neutral excitations in disordered electronic materials and systems of trapped ultracold particles with long-range interactions, we study energy-level statistics of quasiparticles with the power-law hopping Hamiltonian ∝ 1...
Structural evolution and phase diagram of the superconducting iron selenides Li x (C2H8N2) y Fe2Se2(x= 0 ~ 0.8) [0.03%]
锂插层铁硒超导体Liₓ(C₂H₈N₂)ᵧFe₂Se₂(0≤ₓ≤0.8)的结构演化和相图
Linlin Zhao,Wang Da,Qingzhen Huang et al.
Linlin Zhao et al.
Here we report on the structural and electronic phase diagram of lithium and ethylenediamine intercalated FeSe in a wide range of dopant concentration ( x = 0 ∼ 0.8 ) . Undoped ( C 2 H 8 N 2 ) y Fe 2 Se 2 crystallizes in an orth...
Antichiral spin order, its soft modes, and their hybridization with phonons in the topological semimetal [Formula: see text] [0.03%]
反手性自旋序、软模及其与[公式]拓扑半金属中声子的杂化现象
Y Chen,J Gaudet,S Dasgupta et al.
Y Chen et al.
We report the magnetic structure and spin excitations of Mn 3 Ge , a breathing kagome antiferromagnet with transport anomalies attributed to Weyl nodes. Using polarized neutron diffraction, we show the magnetic order is a k = 0 coplanar...
Correlation between Dzyaloshinskii-Moriya interaction and orbital angular momentum at an oxide-ferromagnet interface [0.03%]
氧化物铁磁界面Dzyaloshinskii-Moriya相互作用与轨道角动量的相关性研究
Hans T Nembach,Emilie Jué,Eric R Evarts et al.
Hans T Nembach et al.
We report on the Dzyaloshinskii-Moriya (DMI) interaction at the interface between a ferromagnet and an oxide. We demonstrate experimentally that oxides can give rise to DMI. By comparison of systems comprised of Pt/Co90Fe10/oxide and Cu/Co9...
Mutual control of stochastic switching for two electrically coupled superparamagnetic tunnel junctions [0.03%]
两个电耦合超参数隧道结的随机切换相互控制
Philippe Talatchian,Matthew W Daniels,Advait Madhavan et al.
Philippe Talatchian et al.
Superparamagnetic tunnel junctions (SMTJs) are promising sources for the randomness required by some compact and energy-efficient computing schemes. Coupling SMTJs gives rise to collective behavior that could be useful for cognitive computi...
Quantum field theory for the chiral clock transition in one spatial dimension [0.03%]
一维手征时钟相变的量子场论研究
Seth Whitsitt,Rhine Samajdar,Subir Sachdev
Seth Whitsitt
We describe the quantum phase transition in the N -state chiral clock model in spatial dimension d = 1 . With couplings chosen to preserve time-reversal and spatial inversion symmetries, such a model is in the universality class of recent ...
Gradual enhancement of stripe-type antiferromagnetism in the spin-ladder material BaFe2S3 under pressure [0.03%]
在压力下，层状材料BaFe2S3中条纹型反铁磁序的逐渐出现
Liangliang Zheng,Benjamin A Frandsen,Changwei Wu et al.
Liangliang Zheng et al.
We report pressure-dependent neutron diffraction and muon spin relaxation/rotation measurements combined with first-principles calculations to investigate the structural, magnetic, and electronic properties of BaFe2S3 under pressure. The ex...
Comprehensive inelastic neutron scattering study of the multiferroic [Formula: see text] [0.03%]
多铁性材料[Formula: see text]的非弹性中子散射研究
Jinchen Wang,R S Fishman,Yiming Qiu et al.
Jinchen Wang et al.
Using high-resolution inelastic neutron scattering, we examine the spin dynamics of M n 1 - x C o x W O 4 in the collinear AF1, the a c - b spiral AF2, and the a c cycloidal AF5 phases. The spin wave excitations are well described by a...
Thermal evolution of quasi-one-dimensional spin correlations within the anisotropic triangular lattice of [Formula: see text] [0.03%]
准一维自旋关联的热演化在层状镉盐中的三角晶格中
Rebecca L Dally,Robin Chisnell,Leland Harriger et al.
Rebecca L Dally et al.
Magnetic order on the spatially anisotropic triangular lattice of α - NaMnO 2 is studied via neutron diffraction measurements. The transition into a commensurate, collinear antiferromagnetic ground state with k = ( 0.5 , 0.5 , 0 ) w...
Abrikosov vortex corrections to effective magnetic field enhancement in epitaxial graphene [0.03%]
外延石墨烯中的Abrakosov涡旋对有效磁场增强的修正作用研究
Luke R St Marie,Chieh-I Liu,I-Fan Hu et al.
Luke R St Marie et al.
Here, we report the effects of enhanced magnetic fields resulting from type-II superconducting NbTiN slabs adjacent to narrow Hall bar devices fabricated from epitaxial graphene. Observed changes in the magnetoresistances were found to have...