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Related papers: Current-Carrying Cosmic String Loops Leading to Vo…

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We describe ferroelectric thin films with circular electrodes and develop a thermodynamic theory that explains previously mysterious experiments. It is found to be especially useful for restricted geometries such as microstructures for…

Materials Science · Physics 2015-06-19 Laurent Baudry , Anaïs Sené , Igor A. Luk'yanchuk , Laurent Lahoche , James F Scott

In this work, the current stability is discussed for cosmic strings with the bosonic superconductivity. A non-vanishing curvature of string generally induce the quantum instability of the current-carrying particle. Its decay rates are…

High Energy Physics - Phenomenology · Physics 2023-02-15 Yoshihiko Abe , Yu Hamada , Kota Saji , Koichi Yoshioka

It is usually believed that unlike the external magnetic field which one can set directly, vorticity is a property of the flow of particles, which is indirectly controlled by external fields and initial conditions. Using the curved-space…

High Energy Physics - Phenomenology · Physics 2015-03-06 Kiyoumars A. Sohrabi

The experimental investigation of spontaneously created vortices is of utmost importance for the understanding of quantum phase transitions towards a superfluid phase, especially for two dimensional systems that are expected to be governed…

Spontaneous spin polarization of the electrical current flowing through nonmagnetic semiconductor junctions can be generated by carrier scattering processes that are independent of the carrier spin. The two required elements for…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Yunong Qi , Michael E. Flatté

We present a general theory of current deviations in straight current carrying wires with random imperfections, which quantitatively explains the recent observations of organized patterns of magnetic field corrugations above micron-scale…

Other Condensed Matter · Physics 2008-06-14 Y. Japha , O. Entin-Wohlman , T. David , R. Salem , S. Aigner , J. Schmiedmayer , R. Folman

Asymmetric current--voltage ($I(V)$) curves, known as the diode or rectification effect, in one--dimensional electronic conductors can have their origin from scattering off a single asymmetric impurity in the system. We investigate this…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Bernd Braunecker , D. E. Feldman , J. B. Marston

The spin-dependent inertial force in an accelerating system under the presence of electromagnetic fields is derived from the generally covariant Dirac equation. Spin currents are evaluated by the force up to the lowest order of the…

Mesoscale and Nanoscale Physics · Physics 2015-05-28 Mamoru Matsuo , Jun'ichi Ieda , Eiji Saitoh , Sadamichi Maekawa

We theoretically study the spin-polarized transport through a single-molecule magnet, which is weakly coupled to ferromagnetic leads, by means of the rate-equation approach. We consider both the ferromagnetic and antiferromagnetic…

Mesoscale and Nanoscale Physics · Physics 2012-03-22 Haiqing Xie , Qiang Wang , Bo Chang , Hujun Jiao , J. -Q. Liang

We investigate the cosmological consequences of particle physics theories that admit stable loops of current-carrying string - vortons. In particular, we consider chiral theories where a single fermion zero mode is excited in the string…

High Energy Physics - Phenomenology · Physics 2009-10-31 Brandon Carter , Anne-Christine Davis

We propose the existence, via analytical derivations, novel phenomenologies, and first-principles-based simulations, of a new class of materials that are not only spontaneously optically active, but also for which the sense of rotation can…

We present new aspects of the electromagnetic field by introducting the natural potentials. These natural potentials are suitable for constructing the first order distortions of the metric tensor of Complex Relativity - the theory combining…

Classical Physics · Physics 2007-05-23 Roman Teisseyre , Mariusz Bialecki

The spin flip of the conduction electrons at the interface of a ferromagnetic and a nonmagnetic part of a metallic wire, suspended between two electrodes, is shown to tort the wire when a current is driven through it. In order to enhance…

Strongly Correlated Electrons · Physics 2016-10-26 Peter Fulde , Stefan Kettemann

In this paper we have continued the calculations made recently concerning he generalization of the minimal coupling prescription. We have obtained the Navier-Stokes equation for the charged fluid embedded into an electromagnetic field. We…

Magnetic ratchets -- two-dimensional systems with superimposed non-centrosymmetric ferromagnetic gratings -- are considered theoretically. It is demonstrated that excitation by radiation results in a directed motion of two-dimensional…

Mesoscale and Nanoscale Physics · Physics 2017-04-25 G. V. Budkin , L. E. Golub

The influence of a longitudinal magnetic field on the Coulomb drag current created in the ballistic transport regime in a quantum well by a ballistic current in a nearby parallel quantum well is investigated. We consider the case where the…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 V. L. Gurevich , M. I. Muradov

In this paper we study the non-relativistic dynamic of a charged particle in the electromagnetic field induced by a periodically time dependent current J along an infinitely long and infinitely thin straight wire. The motions are described…

Mathematical Physics · Physics 2022-07-27 Manuel Garzón , Stefano Marò

We investigate the propagation of electron vortex beams in a magnetic field. It is pointed out that when electron vortex beams carrying orbital angular momentum propagate in a magnetic field, the Berry curvature associated with the scalar…

Mesoscale and Nanoscale Physics · Physics 2015-06-24 Debashree Chowdhury , Banasri Basu , Pratul Bandyopadhyay

We study the evolution of cosmic strings taking into account the frictional force due to the surrounding radiation. We consider small perturbations on straight strings, oscillation of circular loops and small perturbations on circular…

High Energy Physics - Theory · Physics 2009-10-22 J. Garriga , M. Sakellariadou

We investigate the dynamics of a magnetic vortex driven by spin-transfer torque due to spin current in the adiabatic case. The vortex core represented by collective coordinate experiences a transverse force proportional to the product of…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Junya Shibata , Yoshinobu Nakatani , Gen Tatara , Hiroshi Kohno , Yoshichika Otani