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arXiv 2201.04759cond-mat.mtrl-sci
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量子磁体Pb2V3O9中的自旋塞贝克效应

Spin Seebeck effect in quantum magnet Pb2V3O9

Wenyu Xing, Ranran Cai, Kodai Moriyama, Kensuke Nara, Yunyan Yao, Weiliang Qiao, Kazuyoshi Yoshimura, Wei Han

摘要:

自旋塞贝克效应(SSE),即由热产生自旋电流,已经在各种磁性材料中得到了广泛的研究,包括铁磁体、反铁磁体、顺磁体和量子自旋液体。本文报道了具有准一维自旋1/2链的自旋能隙量子磁体候选物Pb_2V_3O_9单晶中的SSE的研究。详细的温度和磁场依赖性的SSE的调查,和温度依赖的临界磁场显示出很强的相关性的玻色-爱因斯坦凝聚相的量子磁体Pb 2 V3 O 9。这一工作显示了利用自旋流作为探针研究量子磁体中自旋关联和相变性质的潜力。

英文摘要:

Spin Seebeck effect (SSE), the generation of spin current from heat, has been extensively studied in a large variety of magnetic materials, including ferromagnets, antiferromagnets, paramagnets, and quantum spin liquids. In this paper, we report the study of the SSE in the single crystalline Pb2V3O9, a spin-gapped quantum magnet candidate with quasi-one-dimensional spin-1/2 chain. Detailed temperature and magnetic field dependences of the SSE are investigated, and the temperature-dependent critical magnetic fields show a strong correlation to the Bose-Einstein condensation phase of the quantum magnet Pb2V3O9. This work shows the potential of using spin current as a probe to study the spin correlation and phase transition properties in quantum magnets.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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