论文标题

观察Rbeufe中超导性的抑制$ _4 $ as $ _4 $通过相关磁性波动

Observing the suppression of superconductivity in RbEuFe$_4$As$_4$ by correlated magnetic fluctuations

论文作者

Collomb, D., Bending, S. J., Koshelev, A. E., Smylie, M. P., Farrar, L., Bao, J. -K., Chung, D. Y., Kanatzidis, M. G., Kwok, W. -K., Welp, U.

论文摘要

在这封信中,我们描述了rbeufe $ _4 $的超导涡流的定量磁成像为$ _4 $,以研究磁性和超导sublattices之间的唯一相互作用。我们的扫描厅显微镜数据揭示了良好的定性一致性,以良好的定性一致性揭示了对超流体密度的明显抑制,最近开发的模型描述了通过相关磁波动来抑制超导性的抑制。这些结果表明,在\ textSubscript {4}中,超导和磁子系统之间存在明显的交换相互作用,作为\ textsubscript {4},对它们之间的相互作用产生的物理现象的未来研究的重要意义。

In this letter, we describe quantitative magnetic imaging of superconducting vortices in RbEuFe$_4$As$_4$ in order to investigate the unique interplay between the magnetic and superconducting sublattices. Our scanning Hall microscopy data reveal a pronounced suppression of the superfluid density near the magnetic ordering temperature in good qualitative agreement with a recently-developed model describing the suppression of superconductivity by correlated magnetic fluctuations. These results indicate a pronounced exchange interaction between the superconducting and magnetic subsystems in RbEuFe\textsubscript{4}As\textsubscript{4} with important implications for future investigations of physical phenomena arising from the interplay between them.

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