论文标题

现场选择性的经典自旋液体和磁化高原在kagome晶格上

Field-selective classical spin liquid and magnetization plateaus on kagome lattice

论文作者

Tokushuku, Kunio, Mizoguchi, Tomonari, Udagawa, Masafumi

论文摘要

我们通过在kagome lattice上应用$ j_1 $ - $ j_2 $ - $ j_2 $ - $ j_2 $ - $ j_2 $ - $ j_2 $ - $ j_2 $ - $ j_2 $ - $ j_2 $ - 获得经典的自旋液体(CSL)阶段。正如我们在先前的研究中所证明的[物理学。莱特牧师。 {\ bf 119},077207(2017)],该模型在零磁场上实现了一种CSL,六聚体CSL,该物种由宏观变性的旋转构型和混合总磁化强度,$ m $组成。磁场选择其子集,该子集可以映射到双晶格的三聚体覆盖物,并形成$ M = 1/9 $的磁化高原。除此CSL外,我们还发现了另外两个磁化磁化高原为$ M = 5/9 $和$ 17/27 $,它们归因于双晶格上的“多机”上层建筑。

We obtain a classical spin liquid (CSL) phase by applying a magnetic field in $J_1$-$J_2$-$J_3$ Ising model on a kagome lattice. As we proved in the previous study [Phys. Rev. Lett. {\bf 119}, 077207 (2017)], this model realizes one species of CSL, the hexamer CSL, at zero magnetic field, which consists of macroscopically degenerate spin configurations with mixed total magnetization, $M$. The magnetic field selects its subset, which can be mapped to a trimer covering of the dual lattice, and forms a magnetization plateau of $M=1/9$. In addition to this CSL, we find two other magnetization plateaus at $M=5/9$ and $17/27$, which are ascribed to the "multimer" superstructures on a dual lattice.

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