Phase diagram of the anisotropic triangular lattice Hubbard model

Phase diagram of the anisotropic triangular lattice Hubbard model
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DOI:
10.1103/physrevb.103.235132
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发表时间:
2021-01
期刊:
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影响因子:
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通讯作者:
Aaron Szasz;J. Motruk
Aaron Szasz;J. Motruk
中科院分区:
其他
文献类型:
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作者:
Aaron Szasz;J. Motruk

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图片:我们考虑的第一种排序如图 S2(a) 所示。显然,沿着一个晶格矢量,自旋是铁磁排列的,而沿着三角形晶格的另外两个键,它们是反铁磁排列的。根据上面指定的晶格向量,我们看到 <Si · Sj> = (−1)nb = eb 。然后
picture: The first type of ordering we consider is shown in Figure S2(a). Evidently, along one lattice vector the spins are ferromagnetically aligned, while along the two other bonds of the triangular lattice they are antiferromagnetically ordered. In terms of the lattice vectors specified above, we see that 〈Si · Sj〉 = (−1)nb = eb . Then