arXivDaily arXiv每日学术速递 周一至周五更新
arXiv周末暂无论文更新,休息一下吧,周末愉快~~
arXiv 1408.4533cond-mat.supr-concond-mat.mes-hall
收藏

具有面内磁织构的二维弹道约瑟夫森结中的磁电耦合

Magneto-electric coupling in a two-dimensional ballistic Josephson junction with in-plane magnetic texture

François Konschelle

摘要:

我们研究了自旋织构桥的约瑟夫森结,当Rashba和Zeeman相互作用结合在一起时,超导电流和正常区域的面内磁织构之间产生磁电耦合.特别是,我们毫不含糊地获得所谓的异常电流相位关系$j=j_{c}\sinφ+j_{a}\cosφ$在二维弹道约瑟夫森结接近异质结的临界温度,当一个异常电流$j_{a}\neq0$存在,即使在零相位差的超导体之间,是负责的结的磁和电的自由度之间的耦合。这种反常磁电流是由于传播模的手征性和面内磁织构的各向异性共同作用的结果。

英文摘要:

We study a Josephson junction made with a spin-textured bridge, when both Rashba and Zeeman interactions combine to generate a magneto-electric coupling between the superconducting current and the in-plane magnetic texture in the normal region. In particular, we unambiguously obtain the so-called anomalous current-phase relation $j=j_{c}\sinφ+j_{a}\cosφ$ in a two-dimensional ballistic Josephson junction close to the critical temperature of the heterostructure, when an anomalous current $j_{a}\neq0$ subsists even at zero phase-difference between the superconductors, and is responsible for the coupling between the magnetic and electric degrees of freedom of the junction. The anomalous magneto-electric current is due to the combination of the chirality of the propagating modes and the anisotropy of the in-plane magnetic texture.

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。

↑