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相关论文: Effects of spin orbit coupling on proximity induce…

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Multi-band effects in hybrid structures provide a rich playground for unconventional superconductivity. We combine two complementary approaches based on density-functional theory (DFT) and effective low-energy model theory in order to…

超导电性 · 物理学 2023-11-29 Philipp Rüßmann , Masoud Bahari , Stefan Blügel , Björn Trauzettel

We consider the superconducting proximity effect in a helical Luttinger liquid at the edge of a 2D topological insulator, and derive the low-energy Hamiltonian for an edge state tunnel-coupled to a s-wave superconductor. In addition to…

介观与纳米尺度物理 · 物理学 2012-01-23 Pauli Virtanen , Patrik Recher

We investigate the single and multiple defects embedded in a superconducting host, studying interplay between the proximity induced pairing and interactions. We explore influence of the spin-orbit coupling on energies, polarization and…

介观与纳米尺度物理 · 物理学 2018-05-08 S. Glodzik , A. Kobialka , A. Gorczyca-Goraj , A. Ptok , G. Gorski , M. M. Maska , T. Domanski

We study proximity induced triplet superconductivity in a spin-orbit-coupled system, and show that the \textbf{d} vector of the induced triplet superconductivity undergoes precession that can be controlled by varying the relative strengths…

介观与纳米尺度物理 · 物理学 2014-12-02 Xin Liu , J. K. Jain , Chao-Xing Liu

Although multilayer systems possess global inversion symmetry, some of the layers lack local inversion symmetry because no global inversion centers are present on such layers. Such locally non-centrosymmetric systems exhibit spatially…

超导电性 · 物理学 2015-03-19 Daisuke Maruyama , Manfred Sigrist , Youichi Yanase

We investigate the proximity effect in diffusive superconducting hybrid structures with a spin-orbit (SO) coupling. Our study is focused on the singlet-triplet conversion and the generation of long-range superconducting correlations in…

超导电性 · 物理学 2015-06-18 F. S. Bergeret , I. V. Tokatly

We study the Josephson effect between a conventional s-wave superconductor and a non-centrosymmetric superconductor with Rashba spin-orbit coupling. Rashba spin-orbit coupling affects the Josephson pair tunneling in a characteristic way.…

超导电性 · 物理学 2008-06-06 N. Hayashi , C. Iniotakis , M. Machida , M. Sigrist

We study the effect of impurities in inducing spin-orbit coupling in graphene. We show that the sp3 distortion induced by an impurity can lead to a large increase in the spin-orbit coupling with a value comparable to the one found in…

材料科学 · 物理学 2013-05-29 A. H. Castro Neto , F. Guinea

We use a perturbative approach to study the effects of interfacial spin-orbit coupling in magnetic multilayers by treating the two-dimensional Rashba model in a fully three-dimensional description of electron transport near an interface.…

介观与纳米尺度物理 · 物理学 2017-10-04 Kyoung-Whan Kim , Kyung-Jin Lee , Jairo Sinova , Hyun-Woo Lee , M. D. Stiles

While spin-triplet pairing remains elusive in nature, there is a growing effort to realize proximity-induced equal-spin triplet superconductivity in junctions with magnetic regions or an applied magnetic field and common $s$-wave…

超导电性 · 物理学 2024-09-19 Chenghao Shen , Jong E. Han , Thomas Vezin , Mohammad Alidoust , Igor Žutić

Whereas there exists considerable evidence for the conversion of singlet Cooper pairs into triplet Cooper pairs in the presence of inhomogeneous magnetic fields, recent theoretical proposals have suggested an alternative way to exert…

超导电性 · 物理学 2018-06-06 N. Banerjee , J. A. Ouassou , Y. Zhu , N. A. Stelmashenko , J. Linder , M. G. Blamire

Transition metal dichalcogenides (TMDs) hold relevance for spin-triplet superconducting phases due to their inherent Ising spin-orbit coupling, but the majority of studies have so far focused on oversimplified models. In this work, we…

超导电性 · 物理学 2026-01-30 Florian Kayatz , Annica M. Black-Schaffer , Jorge Cayao

The effect of spin-orbit coupling on the electronic structure of the layered iron-free pnictide superconductor, SrPtAs, has been studied using the full potential linearized augmented plane wave method. The anisotropy in Fermi velocity,…

超导电性 · 物理学 2012-02-09 S. J. Youn , S. H. Rhim , D. F. Agterberg , M. Weinert , A. J. Freeman

We propose a novel experiment to identify the symmetry of superconductivity on the basis of theoretical results for differential conductance of a normal metal connected to a superconductor. The proximity effect from the superconductor…

超导电性 · 物理学 2007-08-13 Yasuhiro Asano , Yukio Tanaka , Alexander A. Golubov , Satoshi Kashiwaya

The theory of quasiparticle interference (QPI) for non-centrosymmetric (NCS) superconductors with Rashba spin-orbit coupling is developed using T-matrix theory in Born approximation. We show that qualitatively new effects in the QPI pattern…

超导电性 · 物理学 2013-07-03 Alireza Akbari , Peter Thalmeier

At the interface between a superconductor and a ferromagnetic metal spin-singlet Cooper pairs can penetrate into the ferromagnetic part of the heterostructure with an oscillating and decaying spin-singlet Cooper pair density. However, if…

超导电性 · 物理学 2015-06-17 Daniel Fritsch , James F. Annett

Conventional spin-singlet superconductivity that deeply penetrates into ferromagnets is typically killed by the exchange interaction, which destroys the spin-singlet pairs. Under certain circumstances, however, superconductivity survives…

介观与纳米尺度物理 · 物理学 2019-03-27 Taketomo Nakamura , Le Duc Anh , Yoshiaki Hashimoto , Shinobu Ohya , Masaaki Tanaka , Shingo Katsumoto

A material whose electrons are correlated can affect electron dynamics across the interface with another material. Such a "proximity effect" can have several manifestations, from order parameter leakage to generated effective interactions.…

强关联电子 · 物理学 2013-08-22 Predrag Nikolic , Zlatko Tesanovic

The effects of spin independent hybridization potential and spin orbit coupling on two band superconductor with equal time s-wave inter band pairing order parameter is investigated theoretically. To study symmetry classes in two band…

超导电性 · 物理学 2020-12-08 Moloud Tamadonpour , Heshmatollah Yavari

We study the effect of anisotropy of the Rashba coupling on the extrinsic spin Hall effect due to spin-orbit active adatoms on graphene. In addition to the intrinsic spin-orbit coupling, a generalized anisotropic Rashba coupling arising…

介观与纳米尺度物理 · 物理学 2016-03-01 H-Y. Yang , Chunli Huang , Hector Ochoa , Miguel A. Cazalilla