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Related papers: Electron-phonon Interaction in Non-polar Quantum D…

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Theoretical analysis dealing with the interaction of electrons with the polar long-wavelength transverse optical (TO) vibrations is presented. The theory is based on the model of a polar crystal with classical potentials, which takes into…

Materials Science · Physics 2010-09-10 Aleksandr Pishtshev

We study the interplay between collective electronic and lattice modes in polar metals in an applied magnetic field aligned with the polar axis. Static spin-orbit coupling leads to the appearance of a particle-hole spin-flip continuum that…

Mesoscale and Nanoscale Physics · Physics 2023-12-27 Abhishek Kumar , Premala Chandra , Pavel A. Volkov

We study the electron-phonon relaxation in the model of a granular metal film, where the grains are formed by regularly arranged potential barriers of arbitrary transparency. The relaxation rate of Debye acoustic phonons is calculated,…

Mesoscale and Nanoscale Physics · Physics 2023-11-15 Nikolai A. Stepanov , Mikhail A. Skvortsov

We have studied the non-ohmic effects in the conductivity of a two-dimensional system which undergoes the crossover from weak to strong localization with decreasing electron concentration. When the electrons are removed from equilibrium…

Mesoscale and Nanoscale Physics · Physics 2015-06-25 M. E. Gershenson , Yu. B. Khavin , D. Reuter , P. Schafmeister , A. D. Wieck

We have investigated spin relaxation times in CdTe quantum dots doped with a single Mn atom, a prototype of a system where the interaction between a single charge carrier and a single spin takes place. A theoretical model that was used…

Mesoscale and Nanoscale Physics · Physics 2015-06-03 Marko D. Petrović , Nenad Vukmirović

Helical liquids, formed by time-reversal pairs of interacting electrons in topological edge channels, provide a platform for stabilizing topological superconductivity upon introducing local and nonlocal pairings through the proximity…

Mesoscale and Nanoscale Physics · Physics 2024-09-26 Chen-Hsuan Hsu

An exact solution is derived for the wave function of an electron in a semiconductor quantum wire with spin-orbit interaction and driven by external time dependent harmonic confining potential. The formalism allows analytical expressions…

Quantum Physics · Physics 2015-06-11 T. Cadez , J. H. Jefferson , A. Ramsak

We demonstrate that electron-phonon interaction in quantum dots embedded in one-dimensional systems leads to pronounced, non-Markovian decoherence of optical transitions. The experiments we present focus on the lineshape of…

Mesoscale and Nanoscale Physics · Physics 2012-09-18 Christophe Galland , Alexander Högele , Hakan E. Türeci , Ataç Imamoğlu

Exceptionally displaceable ions, evidenced by huge ratios of materials static to high-frequency dielectric constants, enable short-range electron-phonon interactions to stabilize large planar bipolarons. These large bipolarons are compact…

Superconductivity · Physics 2024-06-06 David Emin

We discuss an integrable model describing one-dimensional electrons interacting with two-dimensional anharmonic phonons. In the low temperature limit it is possible to decouple phonons and consider one-dimensional excitations separately.…

Strongly Correlated Electrons · Physics 2009-10-31 Catherine Pépin , Alexei M. Tsvelik

We have studied direct and Raman processes of the decay of electron spin states in a quantum dot via radiation of phonons corresponding to elastic twists. Universal dependence of the spin relaxation rate on the strength and direction of the…

Other Condensed Matter · Physics 2009-11-11 C. Calero , E. M. Chudnovsky , D. A. Garanin

Recent progress in the field of molecular electronics has revealed the fundamental importance of the coupling between the electronic degrees of freedom and specific vibrational modes. Considering the examples of a molecular dimer and a…

Mesoscale and Nanoscale Physics · Physics 2017-02-22 Jakub K. Sowa , Jan A. Mol , G. Andrew D. Briggs , Erik M. Gauger

The role of the polarization degree of freedom in lattice dynamics in solids has been underlined recently. We theoretically discover a relaxation mechanism for both linear and circular polarizations of acoustic phonons. In the absence of…

Mesoscale and Nanoscale Physics · Physics 2025-01-15 Yuta Suzuki , Shuichi Murakami

We present a general theory for semiconductor polarons in the framework of the Froehlich interaction between electrons and phonons. The latter is investigated using non-commuting phonon creation/annihilation operators associated with a…

Other Condensed Matter · Physics 2012-02-09 D. Obreschkow , F. Michelini , S. Dalessi , E. Kapon , M. -A. Dupertuis

We report on a theoretical study of inelastic quantum transport in $(3m,0)$ carbon nanotubes. By using a many-body description of the electron-phonon interaction in Fock space, a novel mechanism involving optical phonon emission…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 L. E. F. Foa Torres , S. Roche

Formation of swift heavy ion tracks requires extremely fast energy transfer between excited electrons and a lattice. However, electron-phonon energy exchange is too slow, as known from laser-irradiation experiments and calculations. We…

Materials Science · Physics 2022-06-14 Nikita Medvedev , Alexander E. Volkov

We study interaction between two magnetic impurities on top of a two dimensional insulator in the presence of chiral phonons by second-order perturbation theory. We show that this exchange interaction arises from angular momentum of phonons…

Mesoscale and Nanoscale Physics · Physics 2025-10-13 Takehito Yokoyama

The effect of electron-phonon coupling on transport through a pair of strongly correlated quantum dots embedded in the Aharonov-Bohm ring is considered in the mean field slave boson Kotliar-Ruckenstein approach. It is shown that coupling…

Mesoscale and Nanoscale Physics · Physics 2020-10-06 P. P. Florków , D. Krychowski , S. Lipiński

Out-of-plane vibrations are considered as the dominant factor limiting the intrinsic carrier mobility of suspended two-dimensional materials at low carrier concentrations. Anharmonic coupling between in-plane and flexural phonon modes is…

Materials Science · Physics 2019-08-14 A. N. Rudenko , A. V. Lugovskoi , A. Mauri , Guodong Yu , Shengjun Yuan , M. I. Katsnelson

Fluctuating electric fields emanating from surfaces are a primary source of decoherence in trapped ion qubits. Here, we show that superradiant phonon-induced excitation exchange between adatoms can lead to a reduction of electric field…

Quantum Physics · Physics 2022-01-17 P N Thomas Lloyd , Valentin Walther , Hossein Sadeghpour
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