Exact quantum ground state of a two-dimensional quasicrystalline antiferromagnet

被引：6

作者：

Ghosh, Pratyay ^{[1
,2
]}

机构：

[1] Univ Wurzburg, Inst Theoret Phys & Astrophys, Hubland Campus Sud, D-97074 Wurzburg, Germany

[2] Univ Wurzburg, Wurzburg Dresden Cluster Excellence ctqmat, Hubland Campus Sud, D-97074 Wurzburg, Germany

来源：

PHYSICAL REVIEW B | 2023年 / 108卷 / 01期

关键词：

MODEL; SRCU2(BO3)(2); TRANSITIONS; PHASE; MN;

D O I：

10.1103/PhysRevB.108.014426

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We present the exact dimer ground state of a quantum antiferromagnet defined on a quasicrystal constructed from the bronze-mean hexagonal quasicrystal. A coupling isotropy on the first- and second-neighbor bonds is sufficient to stabilize a product state of singlets on the third-neighbor bonds. We also provide a systematic approach for constructing additional crystals, quasicrystals, and amorphous structures that can sustain an exact dimer ground state.

引用

页数：7

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