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We study here the curious particle dynamics resulting from electro-osmotic flow around a microchannel junction corner whose dielectric walls are weakly polarizable. The hydrodynamic velocity field is obtained via superposition of a linear…

Fluid Dynamics · Physics 2015-06-19 Matan Zehavi , Gilad Yossifon

The inductance of spintronic devices that transport charge neutral spin currents is discussed. It is known that in a media that contains charge neutral spins, a time-varying electric field induces a spin current. We show that since the spin…

Mesoscale and Nanoscale Physics · Physics 2014-03-18 Wei Chen

We investigate the charge transport properties of a relativistic drifting plasma using the kinetic theory within the relaxation time approximation. The collective drift induced by electromagnetic fields is described in terms of a suitably…

High Energy Physics - Phenomenology · Physics 2026-05-01 Ashes Modak , Anowar Shaikh , Manu Kurian , Binata Panda , Sadhana Dash

In magnetic multilayers, a dc current induces a spin precession above a certain critical current. Drive torques responsible for this can be calculated from the spin accumulation $\bar{\Delta\mu}$. Existing calculations of $\bar{\Delta\mu}$…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 L. Berger

An incommensurate CDW may have the ability to slide, i.e., to generate an excess of current when the system is submitted to an external field. Sliding phenomenon is closely related to deformation of the periodic lattice distortion…

Strongly Correlated Electrons · Physics 2026-01-13 S. Mandal , D. Ghoneim , A. A. Sinchenko , V. L. R. Jacques , K. Wang , L. Ortega , J. Avila , P. Dudin , A. Tejeda , D. Le Bolloch

The induced current density, corresponding to the massless Dirac equation in (2+1) dimensions in a magnetic flux tube of small radius is considered. This problem is important for graphene. In the case, when an electron can not penetrate the…

Mesoscale and Nanoscale Physics · Physics 2013-05-29 Alexander I. Milstein , Ivan S. Terekhov

Electromagnetic fields induced by the space charge in relativistic beams play an important role in Accelerator Physics. They lead to emittance growth, slice energy change, and the microbunching instability. Typically, these effects are…

Accelerator Physics · Physics 2021-02-03 Petr M. Anisimov , Nikolai Yampolsky

The injector for ERL-FEL has been widely researched. Unlike traditional linacs, the bunch in the injector for ERLs requires additional deflection and matching section at lower energies. It makes the bunch more susceptible to the effects of…

Accelerator Physics · Physics 2024-12-17 Xiuji Chen , Zipeng Liu , Si Chen , Duan Gu , Houjun qian , Dong Wang , Haixiao Deng

Critical current density of composite free layer (CFL) in magnetic tunneling junction is investigated. CFL consists of two exchange coupled ferromagnetic layers, where the coupling is parallel or anti-parallel. Instability condition of the…

Materials Science · Physics 2010-06-09 Chun-Yeol You

We show that when particles are suspended in an electrolyte confined between corrugated charged surfaces, electrokinetic flows lead to a new set of phenomena such as particle separation, mixing for low-Reynolds micro- and nano-metric…

Soft Condensed Matter · Physics 2015-06-22 Paolo Malgaretti , Ignacio Pagonabarraga , J. Miguel Rubi

A feedforward scheme is applied for drift waves control in a magnetized magnetron sputtering plasma. A system of driven electrodes collecting electron current in a limited region of the explored plasma is used to interact with unstable…

Plasma Physics · Physics 2015-06-19 E. Martines , M. Zuin , R. Cavazzana , J. Adámek , V. Antoni , G. Serianni , M. Spolaore , N. Vianello

The effects of radiative energy exchange on the convective instability of a weak field magnetic structure, which lead to a prediction and a physical explanation of the magnetic flux dependent field strength, are examined in detail using a…

Astrophysics · Physics 2007-05-23 S. Rajaguru , Siraj S. Hasan

The charge transport in a dirty 2-dimensional electron system biased in the presence of a lateral potential barrier under magnetic field is theoretically studied. The quantum tunneling across the barrier provides the quantum interference of…

Mesoscale and Nanoscale Physics · Physics 2017-10-25 A. M. Kadigrobov

When graphene is exposed to a strong few-cycle optical field, a directional electric current can be induced depending on the carrier-envelope phase of the field. This phenomenon has successfully been explained by the charge dynamics in…

The surface current method known in the theory of electromagnetic waves diffraction is generalized to be applied for the problems of diffraction radiation generated by a charged particle moving nearby an ideally-conducting screen in vacuum.…

Accelerator Physics · Physics 2009-11-05 D. V. Karlovets , A. P. Potylitsyn

This paper studies the space charge impedances of a rectangular beam inside a rectangular chamber, and the limiting case, e.g., a rectangular beam between parallel plates, respectively. The charged beam has uniform density in vertical…

Accelerator Physics · Physics 2014-07-08 Yingjie Li , Lanfa Wang

Combining scanning electron microscopy (SEM) and electron-beam-induced current (EBIC) imaging with transport measurements, it is shown that the current flowing across a two-terminal oxide-based capacitor-like structure is preferentially…

Materials Science · Physics 2009-11-07 C. Rossel , G. I. Meijer , D. Bremaud , D. Widmer

This paper studies the quantum dynamics of a charged particle in a 2D square lattice, under the influence of electric and magnetic fields, the former being aligned with one of the lattice axes and the latter perpendicular to the lattice…

Quantum Physics · Physics 2015-05-20 A. R. Kolovsky , G. Mantica

We investigate the subtle effects of diffuse charge on interfacial kinetics by solving the governing equations for ion transport (Nernst-Planck) with realistic boundary conditions representing reaction kinetics (Butler-Volmer) and…

Soft Condensed Matter · Physics 2007-05-23 A. Bonnefont , F. Argoul , M. Z. Bazant

A transport current distribution over a wide superconducting sheet is shown to strongly change in a presence of bulk magnetic screens of a soft magnet with a high permeability. Depending on the geometry, the effect may drastically suppress…

Superconductivity · Physics 2009-10-31 Yu. A. Genenko , A. Usoskin , H. C. Freyhardt
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