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The Allen-Heine-Cardona theory allows us to calculate phonon-induced electron self-energies from first principles without resorting to the adiabatic approximation. However, this theory has not been able to account for the change of the…

材料科学 · 物理学 2024-10-17 Jae-Mo Lihm , Cheol-Hwan Park

Electromagnetic (EM) wave scattering by many parallel infinite cylinders is studied asymptotically as a tends to 0, where a is the radius of the cylinders. It is assumed that the centres of the cylinders are distributed so that their…

计算物理 · 物理学 2015-06-05 A. G. Ramm , M. I. Andriychuk

We study all of the leading-order contributions to spin relaxation of \textit{conduction} electrons in silicon due to the electron-phonon interaction. Using group theory, $k\cdot p$ perturbation method and rigid-ion model, we derive an…

材料科学 · 物理学 2013-05-21 Yang Song , Hanan Dery

Recent advances in electron microscopy allowed the generation of high-energy electron wave packets of ultrashort duration. Here we present a non-perturbative S-matrix theory for scattering of ultrashort electron wave packets by atomic…

原子物理 · 物理学 2026-05-08 Yuya Morimoto , Lars Bojer Madsen

The effect of direct current component appearance in material with non-additive energy spectrum in the case when two electromagnetic waves with mutually transverse planes of polarization are incident normally on the surface of the sample is…

介观与纳米尺度物理 · 物理学 2012-02-10 V. I. Konchenkov , S. V. Kryuchkov , D. V. Zav'yalov

We study a nonuniversal contribution to the dephasing rate of conduction electrons due to local vibrational modes. The inelastic scattering rate is strongly influenced by multiphonon excitations, exhibiting oscillatory behaviour. For higher…

强关联电子 · 物理学 2009-11-13 Balázs Dóra , Miklós Gulácsi

Characterizing distinct electron wave packets is a basic task for solid-state electron quantum optics with applications in quantum metrology and sensing. A important circuit element for this task is a non-stationary potential barrier than…

介观与纳米尺度物理 · 物理学 2019-09-23 Elina Locane , Piet W. Brouwer , Vyacheslavs Kashcheyevs

Electron Raman scattering (ERS) is investigated in a parabolic semiconductor quantum wire in a transverse magnetic field neglecting by phonon-assisted transitions. The ERS cross-section is calculated as a function of a frequency shift and…

介观与纳米尺度物理 · 物理学 2009-11-10 F. M. Hashimzade , T. G. Ismailov , B. H. Mehdiyev , S. T. Pavlov

The Seebeck coefficient and electrical conductivity are two critical quantities to optimize simultaneously in designing thermoelectric materials, and they are determined by the dynamics of carrier scattering. We uncover a new regime where…

材料科学 · 物理学 2022-11-17 Natalya S. Fedorova , Andrea Cepellotti , Boris Kozinsky

We study the space-time structure of the scattered field induced by the scattering of a narrow single-photon Gaussian pulse on a qubit embedded in 1D open waveguide. For a weak excitation power we obtain explicit analytical expressions for…

量子物理 · 物理学 2023-01-31 Ya. S. Greenberg , A. G. Moiseev , A. A. Shtygashev

The scattering of electromagnetic radiation by the particle gyrating in an external magnetic field is considered. Particular attention is paid to the low-frequency case, when the frequencies of incident radiation are much less than the…

天体物理学 · 物理学 2009-11-13 S. A. Petrova

We present a method for computing angle-resolved electron-energy-loss and gain spectroscopies for phonon and magnon excitations in transmission electron microscopy. Fractional scattering intensities are derived from the…

材料科学 · 物理学 2025-01-30 José Ángel Castellanos-Reyes , Paul Zeiger , Ján Rusz

The modification of acoustic phonons in semiconductor nanostructures embedded in a host crystal is investigated including corrections due to strain within continuum elasticity theory. Effective elastic constants are calculated employing…

材料科学 · 物理学 2009-11-11 Frank Grosse , Roland Zimmermann

The theory of the interaction of electrons with acoustic phonons in multilayer nitride-based AlN/GaN nanostructures was developed for the first time at $T\geqslant 0$ using the method of finite-temperature Green's functions and Dyson…

介观与纳米尺度物理 · 物理学 2021-01-20 I. V. Boyko , M. R. Petryk

We use self-consistent quantum transport theory to investigate the influence of electron-electron interactions on interlayer transport in semiconductor electron bilayers in the absence of an external magnetic field. We conclude that, even…

介观与纳米尺度物理 · 物理学 2018-04-24 Youngseok Kim , Allan H. MacDonald , Matthew J. Gilbert

Electron elastic scattering off a spin-polarized Cr(...$3d^{5}4s^{1}$, $^{7}S$) atom is theoretically studied in the region of electron energies up to $15$ eV using both a one-electron "spin-polarized" Hartree-Fock and multielectron…

原子物理 · 物理学 2015-06-22 V. K. Dolmatov , M. Ya. Amusia , L. V. Chernysheva

Resonant electron transport through a mesoscopic region (quantum dot or single molecule) with electron-phonon interaction is considered at finite voltage. In this case the standard Landauer-B\"uttiker approach cannot be applied. Using the…

介观与纳米尺度物理 · 物理学 2009-11-10 D. A. Ryndyk , J. Keller

A recent study [Rosati, Dolcini, and Rossi, Appl. Phys. Lett. 106, 243101 (2015)] has predicted that, while in semiconducting single-walled carbon nanotubes (SWNTs) an electronic wave packet experiences the typical spatial diffusion of…

介观与纳米尺度物理 · 物理学 2015-12-25 R. Rosati , F. Dolcini , F. Rossi

This article is concerned with the time-harmonic electromagnetic (EM) scattering from a generic inhomogeneous medium. It is shown that if there is a right corner on the support of the medium, then it scatters every pair of incident EM…

偏微分方程分析 · 数学 2016-11-15 Hongyu Liu , Jingni Xiao

Dynamical mean-field theory computations of the electron self energy of the Hubbard-Holstein model as a function of electron-phonon and electron-electron interactions are analyzed to gain insight into the dependence of electron-phonon…

强关联电子 · 物理学 2025-05-14 Jennifer Coulter , Andrew J. Millis
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