%0刊杂志百姓王,宗瑶%a cheng,xiang-can%a王,宝宗%a张,金易%a lu,yue-hui%a yi,chang-rui%a niu,森%A邓,YouJin%A刘,熊君%A陈,帅百倍,建2威尔半织物在量子气体中实现了3D旋转轨道耦合%d 2021%r 10.1126/science.abc0105%J科学%p 271-276%v 372%n 6539%x现在已经识别为Weyl Semimetals,具有异常电子频带结构的材料,其特征在于所谓的Weyl点。Weyl积分总是成对出现,但到目前为止研究的固态材料至少有四个。Wang等人。在捕获光学晶格中的超卡原子的气体中,用最小的Weyl点(两个)设计了威尔半金属状态(参见Goldman和Yefsah的观点)。为此,研究人员必须在该系统中创建三维自旋轨道耦合。结果频带结构的相对简单性将使更容易遵守与此状态相关的不寻常效果.Science,这个问题p。271;另见p。 234Weyl semimetals are three-dimensional (3D) gapless topological phases with Weyl cones in the bulk band. According to lattice theory, Weyl cones must come in pairs, with the minimum number of cones being two. A semimetal with only two Weyl cones is an ideal Weyl semimetal (IWSM). Here we report the experimental realization of an IWSM band by engineering 3D spin-orbit coupling for ultracold atoms. The topological Weyl points are clearly measured via the virtual slicing imaging technique in equilibrium and are further resolved in the quench dynamics. The realization of an IWSM band opens an avenue to investigate various exotic phenomena that are difficult to access in solids. %U //www.www-goto.com/content/sci/372/6539/271.full.pdf