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We calculate the non-reciprocal critical current and quantify the supercurrent diode effect in Rashba superconductors with arbitrary disorder, using the quasiclassical Eilenberger equation. The non-reciprocity is caused by the helical…

Superconductivity · Physics 2022-05-02 Stefan Ilić , F. Sebastian Bergeret

Edelstein effect is useful for electric control of magnetic moment. However, Joule heating created by a dissipative current is harmful for its practical applications. In this paper, we investigate two-dimensional noncentrosymmetric…

Superconductivity · Physics 2021-01-04 Yuhei Ikeda , Youichi Yanase

We investigate superconducting phase transition in superconductor(S)/ferromagnet(F) bilayer with Rasba spin-orbit interaction at S/F interface. This spin-orbit coupling produces spontaneous supercurrents flowing inside the atomic-thickness…

Superconductivity · Physics 2021-02-12 Zh. Devizorova , A. V. Putilov , I. Chaykin , S. Mironov , A. I. Buzdin

The scaling behavior of the current-voltage characteristics of chiral and gauge glass models of disordered superconductors, are studied numerically, in two dimensions. For both models, the linear resistance is nonzero at finite temperatures…

Superconductivity · Physics 2009-10-31 Enzo Granato

We explore edge currents in heterostructures formed of a high-$T_c$ cuprate and a conventional $s$-wave superconductors. The resulting $d\pm is$ superconductor spontaneously breaks time reversal symmetry and, remarkably, exhibits large edge…

Superconductivity · Physics 2025-06-27 Vedangi Pathak , Oguzhan Can , Nirek Brahmbhatt , Marcel Franz

We study the possible stationary persistent supercurrents flowing on a cylindrical sample supporting a two-dimensional charged fluid. The internal dynamics of the fluid is obtained by means of an effective theory in which the fluid…

High Energy Physics - Theory · Physics 2009-10-28 Pietro Donatis , Roberto Iengo

Studies of models of current flow behaviour in Electrical Impedance Tomography (EIT) have shown that the current density distribution varies extremely rapidly near the edge of the electrodes used in the technique. This behaviour imposes…

High Energy Physics - Theory · Physics 2009-10-30 S. Ciulli , S. Ispas , M. K. Pidcock

Broken time reversal symmetry (BTRS) in d wave superconductors is studied and is shown to yield current carrying surface states. The corresponding spontaneous magnetization is temperature independent near the critical temperature Tc for…

Superconductivity · Physics 2009-11-07 Baruch Horovitz , Anatoly Golub

For the first time the persistent current in a 2D free-electron system has been calculated analytically. The tight binding model is considered on a square lattice with filling factor 1/2. The array has a shape of rectangle with boundary…

Condensed Matter · Physics 2008-02-03 E. V. Tsiper , A. L. Efros

Chiral superconductors are topological as characterized by a finite Chern number and chiral edge modes. Direct fingerprints of chiral superconductivity are thus often taken to be spontaneous edge currents with associated magnetic…

Superconductivity · Physics 2025-05-09 Patric Holmvall , Annica M. Black-Schaffer

We demonstrate that in a d-wave superconductor the bulk nonlinear Meissner effect is dominated by a surface effect due to Andreev bound states at low temperatures. The contribution of this surface effect to the nonlinear response…

Superconductivity · Physics 2010-06-14 A. Zare , T. Dahm , N. Schopohl

The two charge-density wave (CDW) transitions in NbSe$_3$ %at wave numbers at $\bm{q_1}$ and $\bm{q_2}$, occurring at the surface were investigated by scanning tunneling microscopy (STM) on \emph{in situ} cleaved $(\bm{b},\bm{c})$ plane.…

Mesoscale and Nanoscale Physics · Physics 2010-07-29 Christophe Brun , Zhao-Zhong Wang , Pierre Monceau , Serguei Brazovskii

We have investigated the transition temperature $T_{\rm c}(H)$ of superconductiv ity in quasi-two-dimensional (Q2D) tight-binding electrons in a strong magnetic field. When the magnetic field is parallel to 2D conducting plane, $T_{\rm…

Superconductivity · Physics 2009-10-31 Mitake Miyazaki , Keita Kishigi , Yasumasa Hasegawa

The behavior of clean layered superconductors in the presence of a finite electric current and in zero-magnetic field behavior is addressed. The structure of the current temperature phase diagram and the properties of each of the four…

Superconductivity · Physics 2009-10-28 Stephen W. Pierson

We study the effect of a bulk Chern-Simons (CS) term on 3+1 dimensional type II superconductor in the context of the AdS/CFT correspondence. We holographically compute the super-current and find that it is non-local in nature. It receives…

High Energy Physics - Theory · Physics 2015-06-18 Nabamita Banerjee , Suvankar Dutta , Dibakar Roychowdhury

Within the Ginzburg-Landau approach a theoretical study is performed of the effects of confinement on the transition to superconductivity for type-I and type-II materials with surface enhancement. The superconducting order parameter is…

Superconductivity · Physics 2009-10-31 E. Montevecchi , J. O. Indekeu

We study the effect of gapless quasiparticles in a d-wave superconductor on the T=0 end point of the Kosterlitz-Thouless transition line in underdoped high-temperature superconductors. Starting from a lattice model that has gapless fermions…

Superconductivity · Physics 2009-11-07 Dominic J. Lee , Igor F. Herbut

The zero temperature d - wave superconductor phase transition theory given in the case of T=0 for two - dimensional superconductors (I. Herbut, PRL {\bf 85}, 1532 (2000)) is generalized for finite temperatures. The Gaussian behavior of the…

Superconductivity · Physics 2007-05-23 M. Crisan , D. Bodea , I. Grosu , I. Tifrea

The holographic charged fluid with anomalous current in Einstein-Maxwell gravity has been generalized from the infinite boundary to the finite cutoff surface by using the gravity/fluid correspondence. After perturbing the boosted…

High Energy Physics - Theory · Physics 2014-07-01 Xiaojian Bai , Ya-Peng Hu , Bum-Hoon Lee , Yun-Long Zhang

Chiral superconductivity is a striking quantum phenomenon in which an unconventional superconductor spontaneously develops an angular momentum and lowers its free energy by eliminating nodes in the gap. It is a topologically non-trivial…

Superconductivity · Physics 2016-04-20 Catherine Kallin , John Berlinsky