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相关论文: Theory of proximity effect in $s+p$-wave supercond…

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Superconducting proximity effect in normal metal (N) / $d_{x^2-y^2}$-wave superconductor (D) junctions in the presence of attractive interelectron potentials which can induce subdominant s-wave pair potentials both in N and D sides, is…

超导电性 · 物理学 2007-05-23 Y. Tanuma , Y. Tanaka , S. Kashiwaya

Enhanced proximity effect by mid gap Andreev resonant state (MARS) in a diffusive normal metal / insulator / triplet superconductor (DN/TS) junction is studied based on the Keldysh-Nambu quasiclassical Green's function formalism. By…

超导电性 · 物理学 2009-11-10 Y. Tanaka , S. Kashiwaya , T. Yokoyama

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…

介观与纳米尺度物理 · 物理学 2019-05-27 Shun Tamura , Yukio Tanaka

Charge transport properties of a diffusive normal metal /triplet superconductor (DN/TS) junction are studied based on the Keldysh-Nambu quasiclassical Green's function formalism. % Contrary to the unconventional singlet superconductor…

超导电性 · 物理学 2016-08-31 Yukio Tanaka , Satoshi Kashiwaya

Anomalous features of the proximity effect specific to diffusive normal metal / triplet superconductor (DN/TS) junctions are studied within the quasiclassical Green's function formalism. The pair amplitude $f_{N}$ as a function of energy…

超导电性 · 物理学 2015-06-25 Y. Tanaka , Y. Asano , A. A. Golubov , S. Kashiwaya

We present a general theory of the proximity effect in junctions between diffusive normal metals (DN) and unconventional superconductors in the framework of the quasiclassical Green's function formalism. Various possible symmetry classes in…

超导电性 · 物理学 2009-11-11 Y. Tanaka , A. A. Golubov

We study the induced odd-frequency pairing states in ballistic normal metal/superconductor (N/S) junctions where a superconductor has even-frequency symmetry in the bulk and a normal metal layer has an arbitrary length. Using the…

超导电性 · 物理学 2009-11-13 Y. Tanaka , Y. Tanuma , A. A. Golubov

We derive equations for the quasiclassical Green's functions $\check{g}$ within a simple model of a two-band superconductor with a spin-density-wave (SDW). The elements of the matrix $\check{g}$ are the retarded, advanced, and Keldysh…

超导电性 · 物理学 2011-05-06 A. Moor , A. F. Volkov , K. B. Efetov

We study the Josephson effect between chiral p-wave superconductor / diffusive normal metal (DN) / chiral p-wave superconductor (CP/DN/CP) junctions using quasiclassical Green's function formalism with proper boundary conditions. The…

超导电性 · 物理学 2009-11-11 Y. Sawa , T. Yokoyama , Y. Tanaka , A. A. Golubov

Using the quasiclassical Green's function formalism, we study the influence of the odd-frequency spin-triplet superconductivity on the local density of states (LDOS) in a diffusive ferromagnet (DF) attached to a superconductor. Various…

超导电性 · 物理学 2009-11-11 T. Yokoyama , Y. Tanaka , A. A. Golubov

We study theoretically the Josephson effect in junctions based on unconventional superconductors with diffusive barriers, using the quasiclassical Green's function formalism. Generalized boundary conditions at junction interfaces applicable…

超导电性 · 物理学 2009-11-11 T. Yokoyama , Y. Tanaka , A. A. Golubov

We formulate and apply a low-energy transport theory for hybrid quantum devices containing junctions of topological superconductor (TS) wires and conventional normal (N) or superconducting (S) leads. We model TS wires as spinless $p$-wave…

超导电性 · 物理学 2016-07-04 A. Zazunov , R. Egger , A. Levy Yeyati

We study the electronic transport properties of a superconductor (S) with a mixed s+p-wave pairing attached to a ferromagnetic metal (F) and a normal electrode (N) in an SFN configuration. Using the quasiclassical Green's function method,…

超导电性 · 物理学 2023-03-08 Tim Kokkeler , Alberto Hijano , F. Sebastián Bergeret

We analyze the transport properties of contacts between unconventional superconductor and normal diffusive metal in the framework of the extended circuit theory. We obtain a general boundary condition for the Keldysh-Nambu Green's functions…

超导电性 · 物理学 2009-11-10 Y. Tanaka , Yu. V. Nazarov , A. A. Golubov , S. Kashiwaya

We use quasiclassical methods of superconductivity to study the superconducting proximity effect from a topological $p$-wave superconductor into a disordered one-dimensional metallic wire. We demonstrate that the corresponding Eilenberger…

超导电性 · 物理学 2015-06-04 Aydin Cem Keser , Valentin Stanev , Victor Galitski

We revisit the problem of point-contact tunnel junctions involving one-dimensional superconductors and present a simple scheme for computing the full current-voltage characteristics within the framework of the non-equilibrium Keldysh Green…

超导电性 · 物理学 2007-05-23 C. J. Bolech , T. Giamarchi

We theoretically study the local density of states in superconducting proximity structure where two superconducting terminals are attached to a side surface of a normal-metal wire. Using the quasiclassical Green's function method, the…

超导电性 · 物理学 2019-07-24 Shu-Ichiro Suzuki , Alexander A. Golubov , Yasuhiro Asano , Yukio Tanaka

We investigate the emergence and consequences of odd-frequency spin-triplet s-wave pairing in superconducting hybrid junctions at the edge of a two-dimensional topological insulator without any magnetism. More specifically, we consider…

介观与纳米尺度物理 · 物理学 2017-10-11 Jorge Cayao , Annica M. Black-Schaffer

Semiconductor-superconductor hybrid systems provide a promising platform for hosting unpaired Majorana fermions towards the realisation of fault-tolerant topological quantum computing. In this study, we employ the Keldysh Non-Equilibrium…

介观与纳米尺度物理 · 物理学 2019-11-05 Praveen Sriram , Sandesh S Kalantre , Kaveh Gharavi , Jonathan Baugh , Bhaskaran Muralidharan

We study theoretically proximity-induced superconductivity and its inverse effect in dice lattice flat band model by considering Josephson junction with an s-wave pairing in the superconducting leads. Using self-consistent tight-binding…

介观与纳米尺度物理 · 物理学 2020-06-24 Somayeh Ahmadkhani , Mir Vahid Hosseini
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