论文标题
CP $^2 $ Skyrmions和Skyrmion Crystals in Carteristic量子磁铁
CP$^2$ Skyrmions and Skyrmion Crystals in Realistic Quantum Magnets
论文作者
论文摘要
磁性天际是纳米级拓扑质地，最近在不同的量子磁铁家族中观察到。这些纹理被称为cp $^1 $ skyrmions，因为磁化场的目标歧管是2D球体$ s^2 \ cong $ cp $^{1} $。在这里，我们报告了磁性CP $^2 $ Skyrmions以现实旋转-1 $ $型号的出现。与CP $^1 $ Skyrmions不同，CP $^2 $ Skyrmions也可以作为量子Paramagnets的亚稳态纹理出现，开辟了一条新的道路，以发现非磁性材料中的新兴拓扑孤独。旋转$ 1 $模型的量子相图还包括磁场诱导的CP $^2 $ Skyrmion晶体，可以通过常规动量（衍射）和真实空间（Lorentz Translans Electron显微镜）实验技术检测到。
Magnetic skyrmions are nanoscale topological textures that have been recently observed in different families of quantum magnets. These textures are known as CP$^1$ skyrmions because the target manifold of the magnetization field is the 2D sphere $S^2 \cong$ CP$^{1}$. Here we report the emergence of magnetic CP$^2$ skyrmions in realistic spin-$1$ models. Unlike CP$^1$ skyrmions, CP$^2$ skyrmions can also arise as metastable textures of quantum paramagnets, opening a new road to discover emergent topological solitons in non-magnetic materials. The quantum phase diagram of the spin-$1$ models also includes magnetic field-induced CP$^2$ skyrmion crystals that can be detected with regular momentum- (diffraction) and real-space (Lorentz transmission electron microscopy) experimental techniques.
