Giant surface Edelstein effect in d-wave superconductors

Yuhei Ikeda; Youichi Yanase

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Giant surface Edelstein effect in d-wave superconductors

机译：D波超导体中的巨型表面Edelstein效应

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The Edelstein effect is useful for electric control of the magnetic moment. However. Joule heating created by a dissipative current is harmful to its practical applications. In this paper, we investigate two-dimensional noncentrosymmetric superconductors (NCSs) with either s-wave or d-wave symmetry and demonstrate that the surface Edelstein effect is significantly enhanced in d-wave NCSs. The origin of the enhancement is attributed to surface Majorana states characteristic of gapless spin-singlet noncentrosymmetric superconductors. In the view of superconducting spintronics. this result would give a route to magnetic domain switching by a dissipationless supercurrent. We discuss a possible experimental observation in cuprate superconductor heterostructures and heavy fermion superlattices.

机译：Edelstein效果对于磁矩的电控是有用的。然而。耗散电流产生的焦耳加热对其实际应用有害。在本文中，我们研究了具有S波或D波对称的二维非群体微导体（NCS），并证明在D波NCS中显着提高了表面Edelstein效应。增强的起源归因于无间隙旋转态非中心体微导体的表面Majorana状态。在超导闪光灯的视图中。该结果将通过折射超电流给出到磁畴切换的路线。我们讨论了铜替代超导体异质结构和重型铁饼超晶格的可能实验观察。

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《Physical review.B.Condensed matter and materials physics》 |2020年第21期|214510.1-214510.9|共9页
作者
Yuhei Ikeda; Youichi Yanase;
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Department of Physics Graduate School of Science Kyoto University Kyoto 606-8502 Japan;

Department of Physics Graduate School of Science Kyoto University Kyoto 606-8502 Japan Institute for Molecular Science Okazaki 444-8585 Japan;

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1. Predicted giant magnetic moment on non-{n0m} surfaces of d-wave superconductors [J] . Hu CR., Yan XZ. Physical Review, B. Condensed Matter . 1999,第18期

机译：d波超导体非{n0m}表面上的预计巨磁矩
2. Spontaneous symmetry breaking at surfaces of d-wave superconductors: Influence of geometry and surface ruggedness [J] . Holmvall P., Vorontsov A. B., Fogelstrom M., Physical review . 2019,第18期

机译：d波超导体表面自发对称断裂：几何形状和表面粗糙度的影响
3. Spontaneous symmetry breaking at surfaces of d-wave superconductors: Influence of geometry and surface ruggedness [J] . Holmvall P., Vorontsov A. B., Fogelstrom M., Physical review . 2019,第18期

机译：D波超导体表面的自发对称性：几何形状和表面粗糙度的影响
4. Time-reversal symmetry breaking phase and gapped surface states in d-wave nanoscale superconductors [C] . Yuki Nagai, Yukihiro Ota, K. Tanaka International Conference on Low Temperature Physics . 2017

机译：D波纳米超导体中的时间反转对称断开相位和覆盖表面状态
5. Analysis of quasiparticles in the mixed state of a d-wave superconductor and NMR in pores with surface relaxation. [D] . Marinelli, Luca. 2002

机译：d波超导体混合状态下的准粒子和具有表面弛豫的孔中NMR的分析。
6. Concealed d-wave pairs in the s± condensate of iron-based superconductors [O] . Tzen Ong, Piers Coleman, Jörg Schmalian 2016

机译：铁基超导体s±冷凝物中的隐伏d波对
7. Predicted giant magnetic moment on non-{n0m} surfaces of d-wave superconductors [O] . Hu, Chia-Ren, Yan, XZ. 1999

机译：d波超导体非{n0m}表面上的预计巨磁矩
8. Giant flux creep through the surface barriers and the irreversibility line in high-(Tc) superconductors [R] . Burlachkov, L., Geshkenbein, V. B., Koshelev, A. E., 1994

机译：巨磁通量穿过表面势垒和高（Tc）超导体中的不可逆线

Giant surface Edelstein effect in d-wave superconductors

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