论文标题
$ s = 1/2 $旋转的旋转nematic tomonaga-luttinger液体，带有各向异性铁磁rung互动
Field-induced spin nematic Tomonaga-Luttinger liquid of the $S=1/2$ spin ladder system with the anisotropic ferromagnetic rung interaction
论文作者
论文摘要
$ s = 1/2 $量子自旋梯子系统，使用数值对角线化和密度矩阵重新分析组（DMRG）分析研究了在磁场下与磁场下的各向异性铁磁交换相互作用。发现列型自旋相关主导的tomonaga-luttinger液体（TLL）出现在一些高磁场中。它包含在实现两麦克农结合状态的TLL阶段中。对于某些合适的参数，在场诱导的相位从该两种磁通键的TLL相转变为单麦克尼顿tll One之后，将重新输入转变为两麦克农结合的TLL相，这是由DMRG通过磁化曲线确认的。提出了耦合各向异性与磁场和磁场的平面上的几个相图。目前的结果是候选系统的提议，该建议表现出没有生物界面相互作用或挫败感的自旋列相。
The $S=1/2$ quantum spin ladder system with the anisotropic ferromagnetic exchange interaction on the rung under magnetic field is investigated using the numerical diagonalization and the density matrix renormalization group (DMRG) analyses. It is found that the nematic-spin-correlation-dominant Tomonaga-Luttinger liquid (TLL) appears in some high magnetic field. It is included in the TLL phase where the two-magnon bound state is realized. For some suitable parameters, after the field-induced phase transition from this two-magnon-bound TLL phase to the single-magnon TLL one, the re-entrant transition to the two-magnon-bound TLL phase occurs, which is confirmed by the magnetization curves by the DMRG. Several phase diagrams on the plane of the coupling anisotropy versus the magnetization and the magnetic field are presented. The present result is a proposal of the candidate system which exhibits the spin nematic phase without the biquadratic interaction or the frustration.
