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A direct numerical simulation of the interaction of plane capillary waves on the surface of a liquid dielectric in an external tangential electric field taking into account viscous forces has been performed. It has been shown that the…

Fluid Dynamics · Physics 2019-04-18 Evgeny A. Kochurin

Using the Green functions method we study transport properties of surface electrons in topological insulators in the presence of a correlated random exchange field. Such an exchange field may be due to random magnetization with correlated…

Mesoscale and Nanoscale Physics · Physics 2019-12-04 S. Kudła , A. Dyrdał , V. K. Dugaev , J. Berakdar , J. Barnaś

Recently it has been shown that surface plasmons supported by an interface between a 3+1 dimensional topological insulator and a metal or between a 3+1 dimensional topological insulator with residual bulk charge carriers and vacuum have a…

Mesoscale and Nanoscale Physics · Physics 2011-09-28 Zohreh Davoudi , Andreas Karch

Cathodoluminescence (CL) has evolved into a standard analytical technique in (scanning) transmission electron microscopy. CL utilizes light excited due to the interactions between the electron-beam and the sample. In the present study we…

Applied Physics · Physics 2020-05-01 Michael Stöger-Pollach , Stefan Löffler , Niklas Maurer , Kristyna Bukvisova

Twisted electron-impact single ionization ((e,2e) process) of water molecule is theoretically studied in the presence of an external laser field. Calculations have been performed in the framework of the first Born approximation in coplanar…

Atomic and Molecular Clusters · Physics 2025-05-27 Neha , Rakesh Choubisa

This work presents an analytic angular differential cross section formula for the electromagnetic radiation field assisted electron scattering by %% was on impurities in semiconductors. These impurities are approximated with various model…

Mesoscale and Nanoscale Physics · Physics 2019-02-20 I. F. Barna , M. A. Pocsai , S. Varró

We study the transport properties of a hybrid junction made of a ferromagnetic lead in electrical connection with the helical edge modes of a two-dimensional topological insulator. In this system, the time reversal symmetry, which…

Mesoscale and Nanoscale Physics · Physics 2020-11-30 Francesco Romeo

In this paper we study the polarized vacuum energy on the conducting surface of a topological insulator characterized by both $Z_2$ topological index and time reversal symmetry. This boundary is subject to the action of a static and…

High Energy Physics - Theory · Physics 2015-07-28 C. R. Muniz , M. O. Tahim , G. D. Saraiva , M. S. Cunha

Cherenkov radiation in artificial structures experiencing strong radiation enhancements promises important applications in free-electron quantum emitters, broadband light sources, miniaturized particle detectors, etc. However, the momentum…

Optics · Physics 2024-08-27 Hao Hu , Xiao Lin , Guangwei Hu , Francisco J. Garcia-Vidal , Yu Luo

Some characteristic features in the radiation from a relativistic electron uniformly rotating along an equatorial orbit around a dielectric ball have been studied. It was shown that at some harmonics, in case of weak absorption of radiation…

High Energy Physics - Theory · Physics 2009-11-11 L. Sh. Grigoryan , H. F. Khachatryan , S. R. Arzumanyan , M. L. Grigoryan

Graphene placed in a perpendicular magnetic field supports optical modes known as magnetoplasmons which are transversally confined to the graphene layer. Unlike ordinary graphene plasmons, these magnetoplasmonic surface waves are…

Mesoscale and Nanoscale Physics · Physics 2025-02-21 Samyobrata Mukherjee , Viktoriia Savchuk , Jeffery W. Allen , Monica S. Allen , Gennady Shvets

The particle wave duality sets a fundamental correspondence between optics and quantum mechanics. Within this framework, the propagation of quasiparticles can give rise to superposition phenomena which, like for electromagnetic waves, can…

Using the field-particle correlation technique, we examine the particle energization in a 1D-2V continuum Vlasov--Maxwell simulation of a perpendicular magnetized collisionless shock. The combination of the field-particle correlation…

The orbital motion of electrons in a three-dimensional solid can generate a pseudoscalar magnetoelectric coupling $\theta$, a fact we derive for the single-particle case using a recent theory of polarization in weakly inhomogeneous…

Mesoscale and Nanoscale Physics · Physics 2009-12-16 Andrew M. Essin , Joel E. Moore , David Vanderbilt

We use energy discrimination of keV ions transmitted through a thin, single-crystalline silicon membrane to correlate specific angular distribution patterns formed in channelling geometry with trajectory-dependent electronic energy loss.…

Applied Physics · Physics 2022-11-30 Radek Holeňák , Svenja Lohmann , Kristina Komander , Daniel Primetzhofer

Miniaturized and reconfigurable interfaces between confined optical modes within integrated photonic chips and structured light propagating in free space would serve as a cornerstone for fundamental optical science and modern photonic…

A problem of diffraction of a symmetrical transverse magnetic mode $ \text{TM}_{0l} $ by an open-ended cylindrical waveguide corrugated inside is considered. A depth and a period of corrugations are supposed to be much less than the…

Accelerator Physics · Physics 2021-04-28 Sergey N. Galyamin , Aleksandra A. Grigoreva

Boundary effects produced by a Chern-Simons (CS) extension to electrodynamics are analyzed exploiting the Green's function (GF) method. We consider the electromagnetic field coupled to a $\theta$-term in a way that has been proposed to…

Other Condensed Matter · Physics 2015-12-23 A. Martín-Ruiz , M. Cambiaso , L. F. Urrutia

Diffusive Radiation is a new type of radiation predicted to occur in randomly inhomogeneous media due to the multiple scattering of pseudophotons. This theoretical effect is now observed experimentally. The radiation is generated by the…

We demonstrate that the terahertz/infrared radiation induced photogalvanic effect, which is sensitive to the surface symmetry and scattering details, can be applied to study the high frequency conductivity of the surface states in…