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The phenomenological boundary conditions for the envelope wave function, which is applicable for contacts of semiconductors with the rather different crystal symmetry are proposed. It is shown that the boundary conditions are determined by…

Materials Science · Physics 2008-02-03 Leonid S. Braginsky

We use Magnetospheric Multiscale (MMS) mission data to investigate electron-scale energy transfer due to lower hybrid drift waves during magnetopause reconnection. We analyze waves observed in an electron-scale plasma mixing layer at the…

Space Physics · Physics 2025-04-04 Sabrina F. Tigik , Daniel B. Graham , Yuri V. Khotyaintsev

We describe a method for calculating the probability with which the wall of a plasma absorbs an electron at low energy. The method, based on an invariant embedding principle, expresses the electron absorption probability as the probability…

Plasma Physics · Physics 2017-01-10 Franz X. Bronold , Holger Fehske

A decade of intense research on two-dimensional (2D) atomic crystals has revealed that their properties can differ greatly from those of the parent compound. These differences are governed by changes in the band structure due to quantum…

Using first-principles calculations, we systematically study the adsorption behaviors of molecular CO on the Be (0001) surface. By calculating the potential energy surfaces, we find that CO molecularly adsorbs on the Be surface with small…

Materials Science · Physics 2015-05-13 Shuang-Xi Wang , Yu Yang , Bo Sun , Rong-Wu Li , Shao-Jun Liu , Ping Zhang

Abstract We study the temperature dependence of the absorption of microwaves by random-anisotropy magnets. It is governed by strong metastability due to the broad distribution of energy barriers separating different spin configurations. At…

Materials Science · Physics 2025-02-14 D. A. Garanin , E. M. Chudnovsky

Temperature-dependent reflectivity measurements on the kagome metal CsV$_3$Sb$_5$ in a broad frequency range of $50-20000$ cm$^{-1}$ down to $T$=10 K are reported. The charge-density wave (CDW) formed below $T_{\rm CDW}$ = 94 K manifests…

Strongly Correlated Electrons · Physics 2021-07-20 E. Uykur , B. R. Ortiz , O. Iakutkina , M. Wenzel , S. D. Wilson , M. Dressel , A. A. Tsirlin

Thin V2O3 films were deposited on a piezoelectric substrate by electron-beam evaporation. Surface acoustic waves (SAW) were generated by interdigital-transducers (IDTs). The attenuation and sound velocity was investigated from 260K to 10K,…

Strongly Correlated Electrons · Physics 2007-05-23 C. Mueller , A. A. Nateprov , G. Obermeier , M. Klemm , R. Tidecks , A. Wixforth , S. Horn

The electronic structure modifications of WSe2 upon NO2-adsorption at room and low temperatures were studied by means of photoelectron spectroscopy. We found only moderate changes in the electronic structure, which are manifested as an…

Materials Science · Physics 2016-07-12 Roman Ovcharenko , Yuriy Dedkov , Elena Voloshina

The ground-state Hanle effect (GSHE) in alkali-metal atomic vapors using a single circularly polarized wave underlies one of the most robust and simplest techniques in atomic magnetometry. This effect causes a narrow (subnatural-width)…

Atomic Physics · Physics 2022-07-27 D. V. Brazhnikov , V. I. Vishnyakov , A. N. Goncharov , E. Alipieva , C. Andreeva , E. Taskova

Inelastic electron scattering by the adsorbate covered Pt(100) single crystal surface is studied by Disappearance Potential Spectroscopy and density of states (DOS) calculations. Two peculiar channels of elastic electron consumption are…

Materials Science · Physics 2012-09-17 A. R. Cholach , V. M. Tapilin

We observed an ultra-strong photovoltaic effect induced by resonant intersubband absorption of microwaves in a two-dimensional electrons system on the surface of liquid helium. The effect emerges in the regime of microwave-induced vanishing…

Mesoscale and Nanoscale Physics · Physics 2015-05-27 Denis Konstantinov , A. D. Chepelianskii , Kimitoshi Kono

We obtained laboratory spectra of absorption by water vapor at the wavelengths 6500-10500 {\AA} with the multipass cell. The water vapor content along the line of view varied from 0.1 to 3.0 cm of precipitated water, the pressure from 0.1…

Instrumentation and Methods for Astrophysics · Physics 2010-10-26 G. A. Alekseeva , V. D. Galkin , I. B. Sal'nikov

We report the first observation of the microwave-induced intersubband (Rydberg) resonance in the surface-bound electrons on superfluid helium confined in a single 4-$\mu$m deep channel. The resonance signal from a few thousand of surface…

Strongly Correlated Electrons · Physics 2022-06-22 Shan Zou , Sebastian Grossenbach , Denis Konstantinov

The specific heat and susceptibility data for $^3$He on Grafoil are analyzed in the framework of the Landau Fermi liquid theory. The dominant interaction between $^3$He quasiparticles is found to be in the p-wave channel for most…

Condensed Matter · Physics 2008-12-18 A. V. Chubukov , A. Sokol

Bi2Se3 is a prototypical topological insulator which has a small band gap (~0.3 eV) and topologically protected conducting surface states. This material exhibits quite strong thermoelectric effects. Here we show in a mechanically exfoliated…

We study the mechanism leading to the metallization of the $\beta$-SiC(001) Si-rich surface induced by hydrogen adsorption. We analyze the effects of band bending and demonstrate the existence of a quasi-2D electron gas, which originates…

Materials Science · Physics 2008-09-04 R. Rurali , E. Wachowicz , P. Hyldgaard , P. Ordejón

We discuss the absorption spectrum of dirty s-wave superconductors in the nonequilibrium steady state under a homogeneous and monochromatic microwave. In this state, there exists a finite density of states at lower energies than the…

Superconductivity · Physics 2023-06-28 Takanobu Jujo

We explore the midinfrared absorption of strain-compensated p-Si0.2Ge0.8/Si quantum wells for various well thicknesses and temperatures. Owing to the large band offset due to the large bi-axial strain contrast between the wells and…

Other Condensed Matter · Physics 2009-11-11 S. Tsujino , A. Borak , C. Falub , T. Fromherz , L. Diehl , H. Sigg , D. Gruetzmacher

We study theoretically the piezoelectric interaction of a surface acoustic wave (SAW) with a two-dimensional electron gas confined to an isolated quantum dot. The electron motion in the dot is diffusive. The electron-electron interaction is…

Condensed Matter · Physics 2008-02-03 Andreas Knaebchen , Yehoshua Levinson , Ora Entin-Wohlman