English
Related papers

Related papers: Experimental and numerical study on current distri…

200 papers

We demonstrate that the flow of a longitudinal spin current with different spin polarization will induce different patterns of charge accumulation in a two-terminal strip, or electric current distribution in a four-terminal Hall-bar…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Jian Li , Shun-Qing Shen

With downscaling of electronic circuits, components based on semiconductor quantum dots are assuming increasing relevance for future technologies. Their response under external stimuli intrinsically depend on their quantum properties. Here…

We theoretically analyze the effects of Cu/SC (superconductor) ratio, strain, and the ramp path on thermomagnetic instabilities of the superconducting coil. By considering the multi-filamentary structures, we find that a lower Cu/SC ratio…

Superconductivity · Physics 2022-07-13 Q. -Y. Wang , J. -B. Li , A. He , W. Liu , C. Xue , Y. -H. Zhou

Critical current (Ic) of REBCO tapes is strongly aniso-tropic with respect to the orientation of the magnetic field. Usually, Ic is at maximum when the ab-plane of the REBCO crystal is parallel to the magnetic field. In commercial REBCO…

Superconductivity · Physics 2023-05-03 Jun Lu , Yan Xin , Yifei Zhang , Hongyu Bai

The giant magnetoimpedance effect in composite wires consising of a non-magnetic inner core and soft magnetic shell is studied theoretically. It is assumed that the magnetic shell has a helical anisotropy. The current and field…

Materials Science · Physics 2007-05-23 N. A. Buznikov , A. S. Antonov , A. B. Granovsky , C. G. Kim , C. O. Kim , X. P. Li , S. S. Yoon

We study switching current distributions in superconducting nanostrips using theoretical models and numerical simulations. Switching current distributions are commonly measured in experiments and may provide a window into the microscopic…

Superconductivity · Physics 2024-06-28 Robert Vedin , Jack Lidmar

We have studied how the lateral interaction affects the electric conductance, the second-order current correlation (shot noise), and the third-order one (skewness) of a pair of parallel Al atomic wires. The field operator of wave function…

Mesoscale and Nanoscale Physics · Physics 2011-10-28 Ying-Tsan Tang , Yu-Chang Chen

Experiments on potential differences in the low-temperature vortex solid phase of monocrystalline platelets of superconducting Bi(2)Sr(2)CaCu(2)O(8) (BSCCO) subjected to currents driven either through an "ab" surface or from one such…

Superconductivity · Physics 2009-11-07 I. Pethes , A. Pomar , B. Sas , G. Kriza , K. Vad , A. Pallinger , F. Portier , F. I. B. Williams

Current-induced magnetization dynamics in Co/Cu/Co trilayer nanopillars (~100nm in diameter) has been studied experimentally for large applied fields perpendicular to the layers. An abrupt and hysteretic increase in dynamic resistance is…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 B. Oezyilmaz , A. D. Kent , D. Monsma , J. Z. Sun , M. J. Rooks , R. H. Koch

Thin NbSe$_2$ retains superconductivity at high in-plane magnetic field up to 30 T. In this work we construct an atomically thin, all van der Waals SQUID, in which current flows between NbSe$_2$ contacts through two parallel graphene weak…

Superconductivity · Physics 2023-07-26 Ayelet Zalic , Takashi Taniguchi , Kenji Watanabe , Snir Gazit , Hadar Steinberg

We calculate the distribution of the conductance G in a one-dimensional disordered wire at finite temperature T and bias voltage V in a independent-electron picture and assuming full coherent transport. At high enough temperature and bias…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 F. Foieri , M. J. Sanchez , L. Arrachea , V. A. Gopar

This work proposes a methodology combining distributed and lumped models to simulate the current distribution in an indirect heat resistance furnace and, in particular, to compute the current to be supplied in order to obtain a desired…

Analysis of PDEs · Mathematics 2024-02-29 A. Bermúdez , D. Gómez , D. González-Peñas

Ferromagnetic substrates can significantly influence the electromagnetic response of a coated conductor to an external magnetic field and transport current. This study analyzes this response theoretically using the thin shell…

Superconductivity · Physics 2025-04-22 Vladimir Sokolovsky , Leonid Prigozhin

The field error due to magnetization of superconductors in a superconducting magnet can significantly compromise the field homogeneity which is extremely important for NMR magnets. This is especially true for high Tc superconducting…

Superconductivity · Physics 2019-11-07 Jun Lu

We study three-dimensional time-reversal-invariant topological superconductivity in noncentrosymmetric materials such as RhSi, CoSi, and AlPt which host coupled multifold nodes energetically split by the spin-orbit coupling at the same…

Superconductivity · Physics 2022-01-11 Changhee Lee , Chiho Yoon , Taehyeok Kim , Suk Bum Chung , Hongki Min

Superconducting resonators with high-kinetic inductance play a central role in hybrid quantum circuits, enabling strong coupling with quantum systems with small electric dipole moment and improved parametric amplification. However,…

Quantum Physics · Physics 2026-01-30 Camille Roy , Simone Frasca , Pasquale Scarlino

We consider the electronic current through a one-dimensional conductor in the ballistic transport regime and show that the quantum oscillations of a weakly pinned single scattering target results in a temperature- and bias-voltage…

Mesoscale and Nanoscale Physics · Physics 2010-11-09 Gustav Sonne , Leonid Y. Gorelik , Robert I. Shekhter , Mats Jonson

In equilibrium planer systems of Hall electrons, such as GaAs heterostructures and graphene, support two species of current counterflowing along the system edges, as observed recently in experiment using a nanoscale magnetometer. We examine…

Mesoscale and Nanoscale Physics · Physics 2023-04-18 K. Shizuya

We present measurements of the superconducting coherence length \xi\ in thin (d < 100 \AA) films of MoGe alloy and Nb using a combination of linear and nonlinear mutual inductance techniques. As the alternating current in the drive coil is…

Following up on the recently published circuit theory for thermodynamic devices, we consider networks of Thermo-Electric Converters (TECs) in stationary non-equilibrium. Assuming constant thermoelectric properties, the integration over a…

Statistical Mechanics · Physics 2025-06-30 Paul Raux , Christophe Goupil , Gatien Verley