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Related papers: Current distributions in stripe Majorana junctions

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We theoretically predict spatial separation of spin-polarized ballistic currents in transition metal dichalcogenides (TMDs) due to trigonal warping. We quantify the effect in terms of spin polarization of charge carrier currents in a…

Mesoscale and Nanoscale Physics · Physics 2023-05-31 Antonio L. R. Manesco , Artem Pulkin

Josephson junctions based on three-dimensional topological insulators offer intriguing possibilities to realize unconventional $p$-wave pairing and Majorana modes. Here, we provide a detailed study of the effect of a uniform magnetization…

Superconductivity · Physics 2021-03-09 Oleksii Maistrenko , Benedikt Scharf , Dirk Manske , Ewelina M. Hankiewicz

We theoretically study scanning gate microscopy of a superconductor-proximitized semiconducting wire focusing on the potential for detection of Majorana bound states. We exploit the possibility to create a local potential perturbation by…

Mesoscale and Nanoscale Physics · Physics 2025-11-18 S. Maji , M. P. Nowak

In this work we consider superconductor-semiconductor hybrids containing both trivial and Majorana zero modes and explore their signatures in the Majorana polarization. In particular, we consider trivial zero energy states due to…

Mesoscale and Nanoscale Physics · Physics 2024-10-04 Oladunjoye A. Awoga , Jorge Cayao

We simulate the electron transport in vertical bi-layer nanowire which can be fabricated in molecular beam epitaxy process with lateral confinement potential formed by means of cleaved overgrowth or surface oxidization methods giving…

Mesoscale and Nanoscale Physics · Physics 2016-01-20 T. Chwiej

The influence of fractal clusters of a normal phase on the dynamics of a magnetic flux trapped in a percolative superconductor is considered. The critical current distribution and the current-voltage characteristics of fractal…

Superconductivity · Physics 2015-06-24 Yuriy I. Kuzmin

We theoretically study a Josephson junction based on a semiconducting nanowire subject to a time-dependent flux bias. We establish a general density matrix approach for the dynamical response of the Majorana junction and calculate the…

Mesoscale and Nanoscale Physics · Physics 2018-02-07 Mircea Trif , Olesia Dmytruk , Helene Bouchiat , Ramon Aguado , Pascal Simon

The critical state of the vortex lattice in a thin strip is considered for the case when first a perpendicular magnetic field is applied, then a longitudinal field, and then again the perpendicular field is increased. This longitudinal…

Superconductivity · Physics 2009-11-13 Ernst Helmut Brandt , Grigorii Mikitik

The behaviour of magnetic perturbations of an initially potential three-dimensional equilibrium magnetic null point are investigated. The basic components which constitute a typical disturbance are taken to be rotations and shears, in line…

Astrophysics · Physics 2008-11-26 D. I. Pontin , K. Galsgaard

Planar Josephson junctions in a magnetic field exhibit the superconducting diode effect, by which the critical current magnitude depends on the polarity of the transport current. A number of different mechanisms for the effect have been…

Mesoscale and Nanoscale Physics · Physics 2025-12-11 William F. Schiela , Melissa Mikalsen , William M. Strickland , Javad Shabani

Using the time-evolving block decimation, we study the spin transport through spin-1/2 and spin-1 XXZ chains subjected to an external magnetic field and contacted to noninteracting fermionic leads. For generic system-lead couplings, the…

Strongly Correlated Electrons · Physics 2019-01-14 Florian Lange , Satoshi Ejima , Holger Fehske

Proposals for realizing Majorana fermions in condensed matter systems typically rely on magnetic fields, which degrade the proximitizing superconductor and plague the Majoranas' detection. We propose an alternative scheme to realize…

Mesoscale and Nanoscale Physics · Physics 2021-03-31 Omri Lesser , Karsten Flensberg , Felix von Oppen , Yuval Oreg

We investigate the magnetic field distribution inside a Type II superconductor which has point group symmetry $O$ such as Li$_2$Pt$_3$B. The absence of inversion symmetry as a departure from perfect cubic group $O_h$ causes a magnetization…

Superconductivity · Physics 2009-03-31 Chi-Ken Lu , Sungkit Yip

Electrons on a square lattice with half a flux quantum per plaquette are considered. An effective description for the current loops is given by a two-dimensional Dirac theory with random mass. It is shown that the conductivity and the…

Condensed Matter · Physics 2009-10-28 K. Ziegler

The spin 0 generalized phase space approach provides a general expression for local current which depends on the choice of distribution function and generally deviates from the Schrodinger current. It is shown that the continuity equation…

Quantum Physics · Physics 2013-12-17 Peter Holland

The 2-dimensional charge transport with parallel (in plane) magnetic field is considered from the physical and mathematical point of view. To this end, we start with the magnetic field parallel to the plane of charge transport, in sharp…

Mathematical Physics · Physics 2015-06-08 Diego Julio Cirilo-Lombardo

A new microscopic mechanism of the magneto-electric (ME) effect based on the spin supercurrent is theoretically presented for non-collinear magnets. The close analogy between the superconductors (charge current) and magnets (spin current)…

Strongly Correlated Electrons · Physics 2007-05-23 Hosho Katsura , Naoto Nagaosa , Alexander V. Balatsky

We study the spin and charge accumulation in junctions between a superconductor and a ferromagnet or a normal metal in the presence of a Zeeman magnetic field, when the junction is taken out of equilibrium by applying a voltage bias. We…

Mesoscale and Nanoscale Physics · Physics 2018-01-18 D. Chevallier , M. Trif , C. Dutreix , M. Guigou , C. H. L. Quay , M. Aprili , C. Bena

Spin pumping is a technique widely used to generate the pure spin current and characterize the spin-charge conversion in various systems. The reversing sign of the symmetric Lorentzian charge current with respect to opposite magnetic field…

Mesoscale and Nanoscale Physics · Physics 2022-03-08 Kang He , Jun Cheng , Man Yang , Yihui Zhang , Longqian Yu , Qi Liu , Liang Sun , Bingfeng Miao , Canming Hu , Haifeng Ding

We show that the interplay between charging effects and the non-equilibrium spin accumulation has a dramatic effect in the current through an array of nanostructures attached to ferromagnetic electrodes. Large oscillations in the current as…

Mesoscale and Nanoscale Physics · Physics 2010-10-07 V. Estevez , E. Bascones