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Related papers: Anomalous proximity effect of a spin-singlet super…

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The proximity effect from a spin-triplet $p_x$-wave superconductor to a dirty normal-metal has been shown to result in various unusual electromagnetic properties, reflecting a cooperative relation between topologically protected zero-energy…

Superconductivity · Physics 2021-09-17 Satoshi Ikegaya , Jaechul Lee , Andreas P. Schnyder , Yasuhiro Asano

We study the anomalous proximity effect in diffusive normal metal (DN)/unconventional superconductor junctions, where the local density of states (LDOS) in the DN has a zero-energy peak due to the penetration of the odd-frequency…

Mesoscale and Nanoscale Physics · Physics 2019-05-27 Shun Tamura , Yukio Tanaka

The anomalous proximity effect in dirty superconducting junctions is one of most striking phenomena highlighting the profound nature of Majorana bound states and odd-frequency Cooper pairs in topological superconductors. Motivated by the…

Superconductivity · Physics 2020-11-04 Satoshi Ikegaya , Shun Tamura , Dirk Manske , Yukio Tanaka

We theoretically study the effects of spin-orbit interactions on symmetry of a Cooper pair in a spin-singlet d-wave superconductor in two-dimension. The pairing symmetry is analyzed in terms of the anomalous Green's function which is…

Superconductivity · Physics 2021-03-24 Jaechul Lee , Satoshi Ikegaya , Yasuhiro Asano

We discuss the surface impedance (Z=R-iX) of a normal-metal/superconductor proximity structure taking into account the spin-dependent potential at the junction interface. Because of the spin mixing transport at the interface, odd-frequency…

Superconductivity · Physics 2015-06-04 Yasuhiro Asano , Masahiro Ozaki , Tetsuro Habe , Alexander A. Golubov , Yukio Tanaka

The Josephson effect in p-wave superconductor / diffusive normal metal / p-wave superconductor junctions is studied theoretically. Amplitudes of Josephson currents are several orders of magnitude larger than those in s-wave junctions.…

Superconductivity · Physics 2009-11-11 Yasuhiro Asano , Yukio Tanaka , Satoshi Kashiwaya

We discuss the stability of zero-energy states appearing in a dirty normal metal attached to a superconducting thin film with Dresselhaus [110] spin-orbit coupling under the in-plane Zeeman field. The Dresselhaus superconductor preserves an…

Superconductivity · Physics 2015-05-19 Satoshi Ikegaya , Yasuhiro Asano , Yukio Tanaka

We study theoretically the proximity effect of a one-dimensional metallic quantum wire (in the absence of spin-orbit interaction) lying on top of an unconventional superconductor. Three different material classes are considered as a…

Superconductivity · Physics 2013-03-14 Sho Nakosai , Jan Carl Budich , Yukio Tanaka , Björn Trauzettel , Naoto Nagaosa

A common path to superconducting spintronics, Majorana fermions, and topologically-protected quantum computing relies on spin-triplet superconductivity. While naturally occurring spin-triplet pairing is elusive and even common spin-triplet…

Superconductivity · Physics 2020-02-05 Thomas Vezin , Chenghao Shen , Jong E. Han , Igor Žutić

In non-centrosymmetric superconductors, spin-orbit coupling can induce an unconventional superconducting state with a mixture of s-wave spin-singlet and p-wave spin-triplet channels, which leads to a variety of exotic phenomena, including…

Superconductivity · Physics 2018-10-03 Jiabin Yu , Chao-Xing Liu

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…

Superconductivity · Physics 2007-08-13 Yasuhiro Asano , Yukio Tanaka , Alexander A. Golubov , Satoshi Kashiwaya

The interplay of superconductivity with a non-trivial spin texture holds promises for the engineering of non-abelian Majorana quasi-particles. A wide class of systems expected to exhibit exotic correlations are based on nanoscale conductors…

We present a microscopic theory of the superconducting proximity effect in a semiconducting thin film with spin-orbit interaction ($N_{SO}$) in an external magnetic field. We demonstrate that an effective 1D Hamiltonian which describes…

Superconductivity · Physics 2016-08-03 A. V. Burmistrova , I. A. Devyatov , I. E. Batov

We study proximity-induced superconductivity on the surface of a topological insulator (TI), focusing on unconventional pairing. We find that the excitation spectrum becomes gapless for any spin-triplet pairing, such that both subgap bound…

Superconductivity · Physics 2015-05-14 Jacob Linder , Yukio Tanaka , Takehito Yokoyama , Asle Sudbø , Naoto Nagaosa

We study a semiconductor wire with strong spin-orbit coupling, which is proximity-coupled to a superconductor with chemical potential disorder. When tunneling at the semiconductor- superconductor interface is very weak, it is known that…

Superconductivity · Physics 2016-11-02 William S. Cole , Jay D. Sau , S. Das Sarma

The proximity-induced spin-triplet $f$-wave symmetry pairing in a monolayer molybdenum disulfide-superconductor hybrid features an interesting electron-hole excitations and also effective superconducting subgap, giving rise to a distinct…

Mesoscale and Nanoscale Physics · Physics 2017-03-08 Hadi Goudarzi , Maryam Khezerlou , Hasan Sedghi , Afifeh Ghorbai

Artificially engineered topological superconductivity has emerged as a viable route to create Majorana modes, exotic quasiparticles which have raised great expectations for storing and manipulating information in topological quantum…

Proximity effect is used to generate effective topological superconductor by placing strong spin orbit interacting metals with superconducting materials, aiming to produce Majorana zero modes useful for topologically protected quantum…

Strongly Correlated Electrons · Physics 2016-02-03 Wan-Ju Li , Sung-Po Chao , Ting-Kuo Lee

It is often assumed that in a superconductor without spin-triplet pairing, the formation of unconventional spin-triplet densities requires the spin-orbit interaction in combination with either broken inversion symmetry or broken…

We investigate the proximity effect in an s-wave superconductor/ferromagnetic metal with a Rashba spin-orbit coupling/diffusive normal metal junction and an s-wave superconductor/noncollinear magnetic metal/diffusive normal metal junction.…

Superconductivity · Physics 2024-05-21 Shun Tamura , Yukio Tanaka , Takehito Yokoyama
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