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[成果]北京师范大学物理学系张金星和沈卡小组与合作者以“Strain-Driven Dzyaloshinskii-Moriya Interaction for Room-Temperature Magnetic Skyrmions”为题发表学术成果（图）
磁性体系；多铁性材料；磁电耦合
2021/11/1
Dzyaloshinskii-Moriya（DM）相互作用，是一种反对称自旋交换作用，于上个世纪六十年代由I. Dzyaloshinskii利用唯象理论提出，并由T. Moriya在超交换相互作用中考虑自旋轨道耦合而发展的微观理论，被用来解释磁性体系中诸多新奇物理现象（自旋玻璃中的各向异性场、多铁性材料中的磁电耦合、自旋波的非对称色散关系、非共线磁结构等）。近十几年来，由于DM相互作用而实现的螺旋...
Physicists conduct most precise measurement yet of interaction between atoms and carbon surfaces
Physicists most precise measurement atoms and carbon surfaces
2015/6/18
Physicists at the University of Washington have conducted the most precise and controlled measurements yet of the interaction between the atoms and molecules that comprise air and the type of carbon s...
Relationship between electron density and effective densities of body tissues for stopping, scattering and nuclear interaction of proton and ion beams
electron density body tissues proton and ion beams
2011/9/9
In treatment planning of charged-particle radiotherapy, patient heterogeneity is normally modeled as variable-density water to best reproduce the stopping power. This water-based model would cause sub...
Sequential And Double Sequential Fission Observed In Heavy Ion Interaction Of (11.67 MeV/u)197Au Projectile With 197Au Target
Heavy Ion Interaction mica track detector multi- pronged events sequential fission double sequential fission
2010/7/8
The heavy ion interaction of 11.67 MeV/u 197Au+ 197Au has been investigated using mica as a passive detector. By employing Solid State Nuclear Track Detection Technique the data of elastic scattering ...
Simultaneously Finite Size and Interaction Effects on a Harmonically Trapped 87Rb Gas
Bose-Einstein condensation finite size and interaction effects density of states approach
2010/4/9
In the framework of the semiclassical approximation (KB T >> \hbarW), an accurate ansatz formula for the density of states is suggested. This formula is able to include the finite size, interatomic in...
Influence of Interaction Energy in Fluid-Fluid Phase Transitions on Langmuir Monolayers
Langmuir monolayers Phase transitions Lattice model
2010/9/29
A pure lattice model for Langmuir monolayers is presented where only nearest neighbor interactions are considered. The flexibility of hydrophobic tails laying on the surface is taken into account but ...
The Super-Poincaré Algebra Via Pure Spinors and the Interaction Principle in 3D Euclidean Space
The Super-Poincaré Algebra Pure Spinors 3D Euclidean Space
2010/10/18
The Poincar´e superalgebra is introduced from a generalization of the Cartan’s triality principle based on the extension of Chevalley product, between semispinor spaces and even subspaces of the...
The past half century has seen an explosive growth of the discipline that is characterized by the deposition of localized high energy densities in solid matter, by means of energetic ions produced e.g...
Interaction Potential for InSb: A Molecular Dynamics Study
Interaction Potential InSb A Molecular Dynamics Study
2010/10/19
Molecular dynamics simulation was used to study structural and dynamical properties of InSb. The effective potential takes into account two and three-body interactions, considering atomic-size effects...