搜索结果: 1-2 共查到“知识要闻 理学 interaction,”相关记录2条 . 查询时间(0.058 秒)
[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...
Drug-resistant bacteria found in the guts of lemurs who live around humans The more human interaction they had, the higher the proportion of resistant bugs
antibiotics resistance lemur gut microbiota
2021/8/10
Researchers have found evidence for antibiotic resistance in the gut microbiomes of lemurs living close to humans. The more human contact they have, the more antibiotic resistance there is. Even capti...