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We investigate an electron in the plane interacting with the magnetic field due to an electric current forming a localized rotationally symmetric vortex. We show that independently of the vortex profile an electron with spin antiparallel to…

Condensed Matter · Physics 2007-05-23 F. Bentosela , P. Exner , V. A. Zagrebnov

We theoretically investigate spin-wave propagation through a magnetic metamaterial with spatially modulated Dzyaloshinskii-Moriya interaction. We establish an effective Sch{\"o}dinger equation for spin-waves and derive boundary conditions…

Materials Science · Physics 2017-11-29 Seung-Jae Lee , Jung-Hwan Moon , Hyun-Woo Lee , Kyung-Jin Lee

We consider Bloch oscillations of Bose-Einstein condensates in presence of a time-modulated s-wave scattering length. Generically, interaction leads to dephasing and decay of the wave packet. Based on a cyclic-time argument, we…

We consider scattering of a plane electromagnetic wave by a wormhole. It is found that the scattered wave is partially depolarized and has a specific interference picture depending on parameters of the wormhole and the distance to the…

Cosmology and Nongalactic Astrophysics · Physics 2012-04-03 A. A. Kirillov , E. P. Savelova

Vortical flows in shallow water interact with long surface waves by virtue of the nonlinear terms of the fluid equations. Analytical formulae are derived that quantify the spontaneous generation of such waves by unsteady vorticity as well…

chao-dyn · Physics 2009-10-22 Enrique cerda , Fernando Lund

Three-wave scattering is a fascinating phenomenon with many applications in various technologies. Reducing the system symmetry greatly affects three-wave scattering, which, in this case, goes beyond the simple momentum conservation law. In…

Mesoscale and Nanoscale Physics · Physics 2025-08-05 Julia Kharlan , Roman Verba , Krzysztof Sobucki , Paweł Gruszecki , Maciej Krawczyk

We report an analytical theory of linear emission of exchange spin waves from a Bloch domain wall, excited by a uniform microwave magnetic field. The problem is reduced to a one-dimensional Schr\"odinger-like equation with a P\"oschl-Teller…

Materials Science · Physics 2017-08-16 N. J. Whitehead , S. A. R. Horsley , T. G. Philbin , A. N. Kuchko , V. V. Kruglyak

We study the directional excitation of optical surface waves controlled by the magnetic field of light. We theoretically predict that a spinning magnetic dipole develops a tunable unidirectional coupling of light to TE-polarized Bloch…

Ferromagnetism and superconductivity are most fundamental phenomena in condensed matter physics. Entailing opposite spin orders, they share an important conceptual similarity: Disturbances in magnetic ordering in magnetic materials can…

The prediction and realization of magnetic excitations driven by electrical currents via the spin transfer torque effect, enables novel magnetic nano-devices where spin-waves can be used to process and store information. The functional…

Mesoscale and Nanoscale Physics · Physics 2016-08-09 S. Bonetti , R. Kukreja , Z. Chen , F. Macià , J. M. Hernàndez , A. Eklund , D. Backes , J. Frisch , J. Katine , G. Malm , S. Urazhdin , A. D. Kent , J. Stöhr , H. Ohldag , H. A. Dürr

Pair soliton interactions play a significant role in the dynamics of soliton turbulence. The interaction of solitons with different polarities is particularly crucial in the context of abnormally large wave formation, often referred to as…

Fluid Dynamics · Physics 2023-10-25 Ekaterina Didenkulova , Efim Pelinovsky , Marcelo V. Flamarion

We propose a microscopic description for the polarization from the first principle through the spin-orbit coupling in particle collisions. The model is different from previous ones based on local equilibrium assumptions for the spin degree…

Nuclear Theory · Physics 2019-12-11 Jun-jie Zhang , Ren-hong Fang , Qun Wang , Xin-Nian Wang

We study the gap solitons and nonlinear Bloch waves of interacting bosons in one-dimensional optical lattices, taking into account the interaction from the weak to the strong limits. It is shown that composition relation between the gap…

Quantum Gases · Physics 2015-05-27 T. F. Xu , X. M. Guo , X. L. Jing , W. C. Wu , C. S. Liu

We present an experimental study on the effect of a electromagneticaly generated vortex flow on parametrically amplified waves at the surface of a fluid. The underlying vortex flow, generated by a periodic Lorentz force, creates…

Fluid Dynamics · Physics 2015-05-13 Claudio Falcón , Stéphan Fauve

The micromagnetic singularity, the so-called Bloch point, can form a metastable state in the nanosphere. We classify possible types of Bloch points and derive analytically the shape of magnetization distribution inside different Bloch…

Mesoscale and Nanoscale Physics · Physics 2012-12-12 Oleksandr V. Pylypovskyi , Denis D. Sheka , Yuri Gaididei

The motion of a particle with a spin in spherical harmonic oscillator potential with spin-orbit interaction is studied. We have focus our attention on spatial motion of wave packets, giving a description complementary to motion of spin…

Quantum Physics · Physics 2009-10-28 P. Rozmej , R. Arvieu

We predict that due to spin-orbit(SO) interaction there is a torque even for the parallel configuration of spin valve structure (F1/2DEG/F2). This torque arises due to spin orbit interaction. We develop a scattering theory for spin density…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 T. P. Pareek

Point particle scattering at Planckian centre-of-mass (cm) energies and low fixed momentum transfers, occurring due both to electromagnetic and gravitational interactions, is surveyed, with particular emphasis on the novel features…

High Energy Physics - Theory · Physics 2007-05-23 Parthasarathi Majumdar

A point particle approximation to the classical dynamics of well separated vortices of the abelian Higgs model is developed. A static vortex is asymptotically identical to a solution of the linearized field theory (a Klein-Gordon/Proca…

High Energy Physics - Theory · Physics 2009-10-30 J. M. Speight

Twisted spin waves attracted research attentions lately and the orbital angular momentum they carry may be utilized in communication and computing technologies. In this work, we manifest by micromagnetic simulations that twisted spin wave…

Mesoscale and Nanoscale Physics · Physics 2021-06-09 Peiyuan Huang1 , Ruifang Wang