English
Related papers

Related papers: Spontaneous edge current in a small chiral superco…

200 papers

Electrical currents at the surface or edge of a topological insulator are intrinsically spin-polarized. We show that such surface/edge currents can be used to switch the orientation of a molecular magnet weakly coupled to the surface or…

Mesoscale and Nanoscale Physics · Physics 2017-04-05 Elina Locane , Piet W. Brouwer

We theoretically investigate the tunneling conductance of the $d+ip$-wave superconductor which is recently proposed to be realised at the (110) surface of a high-$T_c$ cuprate superconductor. Utilizing the quasiclassical Eilenberger theory,…

Superconductivity · Physics 2021-06-02 Yuhi Takabatake , Shu-Ichiro Suzuki , Yukio Tanaka

We explore the edge flows that emerge at boundaries in nonequilibrium passive and active chiral colloidal fluids. We show that these complex interface currents obey an equation of state that relates their fluxes to bulk observables. For…

Soft Condensed Matter · Physics 2026-04-22 Jessica Metzger , Cory Hargus , Julien Tailleur , Frédéric van Wijland

We propose a new type of supercurrent diode effect on the surface of a superconductor with surface states under in-plane magnetic fields. Surface supercurrent diode effect can lead to a perfect supercurrent diode in a considerably wide…

Superconductivity · Physics 2023-05-11 Noah F. Q. Yuan

The pair-potential and current density around a single vortex of the two-dimensional chiral p-wave superconductor with ${\mib d}={\mib z}(p_x \pm \iu p_y)$ are determined self-consistently within the quasiclassical theory of…

Superconductivity · Physics 2009-11-07 Yusuke Kato , Nobuhiko Hayashi

The heavy fermion superconductor URu$_2$Si$_2$ is a candidate for chiral, time-reversal symmetry-breaking superconductivity with a nodal gap structure. Here, we microscopically visualized superconductivity and spatially inhomogeneous…

Superconductivity · Physics 2021-06-16 Yusuke Iguchi , Irene P. Zhang , Eric D. Bauer , Filip Ronning , John R. Kirtley , Kathryn A. Moler

A highly unconventional superconducting state with a spin-singlet $d_{x^2-y^2}\pm id_{xy}$-wave, or chiral d-wave, symmetry has recently been proposed to emerge from electron-electron interactions in doped graphene. Especially graphene…

Superconductivity · Physics 2017-02-08 Annica M. Black-Schaffer , Carsten Honerkamp

We consider a model for periodic patterns of charges constrained over a cylindrical surface. In particular we focus on patterns of chiral helices, achiral rings or vertical lamellae, with the constraint of global electroneutrality. We study…

Soft Condensed Matter · Physics 2009-11-13 Kevin L. Kohlstedt , Francisco Solis , Graziano Vernizzi , Monica Olvera de la Cruz

Transport characteristics of pure narrow 2D-conductors, in which the electron scattering is caused by rough side boundaries, have been studied. The conductance of such strips is highly sensitive to the intercorrelation properties of…

Disordered Systems and Neural Networks · Physics 2009-10-30 N. M. Makarov , Yu. V. Tarasov

Chiral edge states are the fingerprint of the bulk-edge correspondence in a Chern insulator. Co-propagating edge modes, known as antichiral edge states, have been predicted to occur in the so-called modified Haldane model describing a…

Mesoscale and Nanoscale Physics · Physics 2023-12-06 Marwa Mannaï , Eduardo V. Castro , Sonia Haddad

Transport properties of narrow two-dimensional conducting wires in which the electron scattering is caused by side edges' roughness have been studied. The method for calculating dynamic characteristics of such conductors is proposed which…

Mesoscale and Nanoscale Physics · Physics 2013-02-01 N. M. Makarov , Yu. V. Tarasov

We have previously shown that a ferromagnet-superconductor heterostructure may possess a spontaneous current circulation parallel to the interface. This current is caused by Andreev bound states in the thin ferromagnetic layer, and can be…

Superconductivity · Physics 2009-11-11 J. F. Annett , M. Krawiec , B. L. Gyorffy

We study a d-wave superconductor with dominant $d_{x^2-y^2}$-wave order parameter and subdominant pairing in either the $s$- or the $d_{xy}$-wave channel near a surface. In particular we analyze the influence of surface roughness on the…

Superconductivity · Physics 2007-05-23 T. Lueck

We theoretically study surface superconductivity in a nodal-line semimetal by combining a minimal tight-binding model with a layer-resolved Bogoliubov-de Gennes approach. In the normal state, the model realizes a bulk nodal loop and an…

Superconductivity · Physics 2026-03-23 Takeru Matsushima , Hiroki Tsuchiura

We report the selective stabilization of chiral rotational direction of bacterial vortices, from turbulent bacterial suspension, in achiral circular microwells sealed by an oil-water interface. This broken-symmetry, originating from the…

Soft Condensed Matter · Physics 2021-09-29 Kazusa Beppu , Ziane Izri , Tasuku Sato , Yoko Yamanishi , Yutaka Sumino , Yusuke T. Maeda

We report theoretical results for the electronic contribution to thermal and electrical transport for chiral superconductors belonging to even or odd-parity E$_1$ and E$_2$ representations of the tetragonal and hexagonal point groups.…

Superconductivity · Physics 2024-05-15 Vudtiwat Ngampruetikorn , J. A. Sauls

We study the waves and wave-making forces acting on ships travelling on currents which vary as a function of depth. Our concern is realism; we consider a real current profile from the Columbia River, and model ships with dimensions and…

Fluid Dynamics · Physics 2019-04-09 Yan Li , Benjamin K. Smeltzer , Simen Å. Ellingsen

The low energy sector of 2D and 3D topological insulators (TIs) exhibits propagating edge states, which has speculated the existence of equilibrium edge currents or edge spin currents. We demonstrate that if the low energy sector of TIs is…

Mesoscale and Nanoscale Physics · Physics 2020-05-14 Wei Chen

Despite extensive experimental efforts over the past two decades, the quest for Majorana fermions in superconductors remains inconclusive. We propose an experimental method that can conclusively confirm, or rule out, the existence of these…

Mesoscale and Nanoscale Physics · Physics 2024-03-29 S. Forstner , H. Choi , G. I. Harris , A. Sawadsky , W. P. Bowen , C. G. Baker

We propose and implement a direct experimental test for subdominant superconducting phases with broken time-reversal symmetry in d-wave superconductors. The critical current of 45-degree asymmetric grain boundary junctions are shown to be…

Superconductivity · Physics 2009-11-07 W. K. Neils , D. J. Van Harlingen