Effect of Rashba and Dresselhaus spin-orbit coupling on supercurrent rectification and magnetochiral anisotropy of ballistic Josephson junctions

被引：75

作者：

Baumgartner, C. ^{[1
]}

Fuchs, L. ^{[1
]}

Costa, A. ^{[2
]}

Pico-Cortes, Jordi ^{[2
]}

Reinhardt, S. ^{[1
]}

Gronin, S. ^{[3
,4
]}

Gardner, G. C. ^{[3
,4
]}

Lindemann, T. ^{[4
,5
]}

Manfra, M. J. ^{[3
,4
,5
,6
,7
]}

Faria Junior, P. E. ^{[2
]}

Kochan, D. ^{[2
]}

Fabian, J. ^{[2
]}

Paradiso, N. ^{[1
]}

Strunk, C. ^{[1
]}

机构：

[1] Univ Regensburg, Inst Expt & Angew Phys, D-93040 Regensburg, Germany

[2] Univ Regensburg, Inst Theoret Phys, D-93040 Regensburg, Germany

[3] Purdue Univ, Microsoft Quantum Purdue, W Lafayette, IN 47907 USA

[4] Purdue Univ, Birck Nanotechnol Ctr, W Lafayette, IN 47907 USA

[5] Purdue Univ, Dept Phys & Astron, W Lafayette, IN 47907 USA

[6] Purdue Univ, Sch Mat Engn, W Lafayette, IN 47907 USA

[7] Purdue Univ, Sch Elect & Comp Engn, W Lafayette, IN 47907 USA

来源：

JOURNAL OF PHYSICS-CONDENSED MATTER | 2022年 / 34卷 / 15期

关键词：

Rashba; Dresselhaus; supercurrent diode; naagnetochiral anisotropy; nonreciprocal transport; epitaxial aluminum; superconducting; 2DEG;

D O I：

10.1088/1361-648X/ac4d5e

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Simultaneous breaking of inversion- and time-reversal symmetry in Josephson junction (JJ) leads to a possible violation of the I(phi) -I(-phi) equality for the current-phase relation. This is known as anomalous Josephson effect and it produces a phase shift phi(0) in sinusoidal current-phase relations. In ballistic JJs with non-sinusoidal current phase relation the observed phenomenology is much richer, including the supercurrent diode effect and the magnetochiral anisotropy (MCA) of Josephson inductance. In this work, we present measurements of both effects on arrays of JJs defined on epitaxial Al/InAs heterostructures. We show that the orientation of the current with respect to the lattice affects the MCA, possibly as the result of a finite Dresselhaus component. In addition, we show that the two-fold symmetry of the Josephson inductance reflects in the activation energy for phase slips.

引用

页数：10

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