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Electromagnetic (EM) sounding can constrain the electrical structure of Enceladus and, in turn, the salinity of its ocean and the porosity, fluid content, and thermal state of its hydrothermally active core. Here, we assess the feasibility…

Earth and Planetary Astrophysics · Physics 2026-05-19 Alexander Grayver , Joachim Saur

The magnetic focusing of electrons has proven its utility in fundamental studies of electron transport. Here we report the direct imaging of magnetic focusing of electron waves, specifically in a two-dimensional electron gas (2DEG). We see…

Mesoscale and Nanoscale Physics · Physics 2007-08-08 K. E. Aidala , R. E. Parrott , T. Kramer , E. J. Heller , R. M. Westervelt , M. P. Hanson , A. C. Gossard

Ferromagnetic resonance (FMR) excitation of a ferromagnetic metal single-layer film was tried by using a couple of permanent magnets as the source of the uniform static magnetic field and by using a co-planer waveguide connected with a…

Applied Physics · Physics 2024-10-30 Ryutoku Fujii , Eiji Shikoh

The Electric Dipole Moment of the electron (eEDM) is typically investigated in experiments using paramagnetic molecules. However, the physical observable in these searches consists in a linear combination of CP-violating interactions,…

High Energy Physics - Phenomenology · Physics 2025-03-31 Marco Ardu , Nicola Valori

We study stationary electron flow through a three-terminal quantum ring and describe effects due to deflection of electron trajectories by classical magnetic forces. We demonstrate that generally at high magnetic field ($B$) the current is…

Mesoscale and Nanoscale Physics · Physics 2010-05-10 M. R. Poniedzialek , B. Szafran

We numerically show that very small magnetic flux can significantly shift the metal-insulator transition point in a disordered electronic system. The shift we observe for the 3d Anderson model obeys a power law as predicted by Larkin and…

Disordered Systems and Neural Networks · Physics 2009-01-29 Lukas Jahnke , Jan W. Kantelhardt , Richard Berkovits

In the context of Faraday's induction law, we show that the concept of virtual work provides another point of view to clarify the nature of the induced electric field, as well as the fact that the integral over a closed path of the induced…

Classical Physics · Physics 2011-05-12 Rodolfo A. Diaz , William J. Herrera , Shirley Gomez

The design of electromagnetic coils may require evaluation of several quantities that are challenging to compute numerically. These quantities include Lorentz forces, which may be a limiting factor due to stresses; the internal magnetic…

Applied Physics · Physics 2023-10-17 Siena Hurwitz , Matt Landreman , Thomas M. Antonsen

Joint influence of two effects, namely, nonequilibrium spin injection by current, and current induced surface torque, on spin-valve type ferromagnetic metallic junctions is considered theoretically. The CPP configuration is assumed. The…

Materials Science · Physics 2007-05-23 R. J. Elliott , E. M. Epshtein , Yu. V. Gulyaev , P. E. Zilberman

A theory for thermodynamic induction (TI) under isothermal conditions is presented. This includes a treatment of the Helmholtz free energy budget available for a gate variable to utilize towards aiding another variable's approach towards…

Mesoscale and Nanoscale Physics · Physics 2021-10-07 S. N. Patitsas

Using a laterally-fabricated quantum-dot (QD) spin-valve device, we experimentally study the Kondo effect in the electron transport through a semiconductor QD with an odd number of electrons (N). In a parallel magnetic configuration of the…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 K. Hamaya , M. Kitabatake , K. Shibata , M. Jung , M. Kawamura , K. Hirakawa , T. Machida , T. Taniyama , S. Ishida , Y. Arakawa

We present an experiment conductive to an understanding of both Faraday's law and the properties of the superconducting state. It consists in the analysis of the motion of a superconducting loop moving under the influence of gravity in an…

Physics Education · Physics 2018-08-15 Marco Giliberti , Luca Perotti , Lucio Rossi

We study the interaction corrections to the transport coefficients in open quantum dots (i.e. dots connected to leads of large conductance $G \gg e^2/\pi\hbar$), via a quantum kinetic equation approach. The effects of all the channels of…

Mesoscale and Nanoscale Physics · Physics 2008-09-25 Y. Ahmadian , G. Catelani , I. L. Aleiner

The classical electromagnetic friction of a charged particle moving with prescribed constant velocity parallel to a planar imperfectly conducting surface is reinvestigated. As a concrete example, the Drude model is used to describe the…

Classical Physics · Physics 2020-05-06 Kimball A. Milton , Yang Li , Xin Guo , Gerard Kennedy

We report on a method of quantifying spin accumulation in Co$_{2}$MnSi/$n$-GaAs and Fe/$n$-GaAs heterostructures using a non-magnetic probe. In the presence of a large non-equilibrium spin polarization, the combination of a non-constant…

Mesoscale and Nanoscale Physics · Physics 2014-02-12 Chad C. Geppert , Lee R. Wienkes , Kevin D. Christie , Sahil J. Patel , Chris J. Palmstrøm , Paul A. Crowell

Using irreversible thermodynamics we show that current-induced spin transfer torque within a magnetic domain implies spin pumping of current within that domain. This has experimental implications for samples both with conducting leads and…

Other Condensed Matter · Physics 2009-11-13 Wayne M. Saslow

We pursue, in this contribution, an investigation of the contribution of the electron's magnetic dipole moment (MDM) to the electron's electric dipole moment (EDM) (or the charged leptons, more generally) in the framework of the Born-Infeld…

High Energy Physics - Phenomenology · Physics 2016-10-11 N. Panza , Y. M. P. Gomes , J. A. Helayël

In the present paper, it is shown that the existence of the Casimir electromotive force (EMF) is possible in nanosized configurations with nonclosed nonparallel metal plates. The nature of such EMF is associated with the drag current…

General Physics · Physics 2015-09-15 Evgeny G. Fateev

Integral theorems such as Stokes' and Gauss' are fundamental in many parts of Physics. For instance, Faraday's law allows computing the induced electric current on a closed circuit in terms of the variation of the flux of a magnetic field…

Physics Education · Physics 2021-09-07 L. Fernandez-Jambrina

We investigate currents in a quantum ring threaded by a magnetic flux which can be varied in an arbitrary way from an initial value $\phi_i$ at time $t_i$ to a final value $\phi_f$ at time $t_f$. Dynamics of electrons in the ring is…

Mesoscale and Nanoscale Physics · Physics 2015-05-14 M. Mierzejewski , J. Dajka , J. Łuczka