A quantum dipolar spin liquid
A quantum dipolar spin liquid
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DOI：
10.1038/s41567-017-0030-7
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发表时间：
2018-02
期刊：
影响因子：
19.6
通讯作者：
N. Yao;M. Zaletel;D. Stamper-Kurn;A. Vishwanath
中科院分区：
文献类型：
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作者：
N. Yao;M. Zaletel;D. Stamper-Kurn;A. Vishwanath
量子自旋液体是一类依赖于非局域纠缠的磁性基态。受超冷极性分子控制和偶极量子材料发展的最新进展的启发，我们证明了S = 1/2矩之间的偶极相互作用稳定了三角晶格和kagome晶格上的自旋液体。在后一种情况下，矩自发地打破时间反演，形成具有鲁棒边缘模式和涌现半离子的手征自旋液体。我们提出了一种简单的合成偶极海森堡反铁磁体的路线，从晶格捕获的极性分子使用只有一对旋转状态和一个恒定的电场。
Quantum spin liquids are a class of magnetic ground states reliant on non-local entanglement. Motivated by recent advances in the control of ultracold polar molecules and the development of dipolar quantum materials, we show that dipolar interactions betweenS= 1/2 moments stabilize spin liquids on the triangular and kagome lattices. In the latter case, the moments spontaneously break time-reversal, forming a chiral spin liquid with robust edge modes and emergent semions. We propose a simple route toward synthesizing a dipolar Heisenberg antiferromagnet from lattice-trapped polar molecules using only a single pair of rotational states and a constant electric field.