Chiral superconductivity in cuprates mediated by spin-orbit coupling to spinon superfluidity

Chiral superconductivity in cuprates mediated by spin-orbit coupling to spinon superfluidity
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自旋轨道耦合到自旋超流介导铜酸盐的手性超导性

DOI:
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发表时间:
2022
期刊:
影响因子:
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通讯作者:
S. Urazhdin
S. Urazhdin
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文献类型:
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作者:
S. Urazhdin

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我们利用哈伯德模型证明铜酸盐超导体的反铁磁母体化合物的掺杂可以稳定自旋液态。这种状态下的超导现象是由于充电电流与自旋凝聚体的超流性之间的自旋轨道耦合而出现的,从而导致有序参数相位梯度与超电流之间存在手性关系。我们为所提出的机制提出了简单的实验测试。
We utilize the Hubbard model to demonstrate that doping of the antiferromagnetic parent compounds of cuprate superconductors stabilizes a spin liquid state. Superconductivity in such a state emerges due to the spin-orbit coupling between charge current and superfluidity of spinon condensate, resulting in a chiral relation between the order parameter phase gradient and supercurrent. We propose simple experimental tests for the presented mechanism.