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The electron-phonon interaction in monolayer graphene is investigated by using density functional perturbation theory. The results indicate that the electron-phonon interaction strength is of comparable magnitude for all four in-plane…

Mesoscale and Nanoscale Physics · Physics 2015-05-14 K. M. Borysenko , J. T. Mullen , E. A. Barry , S. Paul , Y. G. Semenov , J. M. Zavada , M. Buongiorno Nardelli , K. W. Kim

We compute how phonon creation affects the fidelity of the quantum spin dynamics in trapped ion simulators. A rigorous treatment of the quantum dynamics is made by employing an exact operator factorization of the evolution operator.…

Quantum Gases · Physics 2010-03-31 C. -C. Joseph Wang , James Freericks

We consider nanowires in the field effect transistor device configuration. Modeling each nanowire as a one dimensional lattice with random site potentials, we study the heat exchanges between the nanowire electrons and the substrate…

Mesoscale and Nanoscale Physics · Physics 2015-07-28 Riccardo Bosisio , Cosimo Gorini , Geneviève Fleury , Jean-Louis Pichard

Although plasmons and phonons are the collective excitations that govern the low-energy physics of doped semiconductors, their nonadiabatic hybridization and mutual screening have not been studied from first principles. We achieve this goal…

Materials Science · Physics 2024-09-12 Jae-Mo Lihm , Cheol-Hwan Park

We propose phonon spectroscopy by electric measurements of the low-temperature conductance of coupled-quantum dots, specifically employing dephasing of the quantum electronic transport by the phonons. The setup we consider consists of a…

Mesoscale and Nanoscale Physics · Physics 2013-05-29 A. Ueda , O. Entin-Wohlman , M. Eto , A. Aharony

Hybrid dynamic systems have recently gained interests with respect to both fundamental physics and device applications, particularly with their potential for coherent information processing. In this perspective, we will focus on the recent…

Mesoscale and Nanoscale Physics · Physics 2020-10-06 Yi Li , Wei Zhang , Vasyl Tyberkevych , Wai-Kwong Kwok , Axel Hoffmann , Valentine Novosad

We study the principal aspects of the interaction between acoustic phonons and two-dimensional electrons in quantizing magnetic fields corresponding to even denominator fractions. Using the composite fermion approach we derive the vertex of…

Mesoscale and Nanoscale Physics · Physics 2016-08-31 D. V. Khveshchenko , M. Reizer

Magnetic nanostructures sustaining different kinds of optical modes have been used for magnetometry and label-free ultrasensitive refractive index probing, where the main challenge is the realization of compact devices able to transfer this…

The quest for topological superconductors triggers revived interests in resolving non-s-wave pairing channels mediated by phonons. While density functional theory and density functional perturbtaion theory have established a powerful…

Superconductivity · Physics 2025-08-01 Zimeng Zeng , Xiaoming Zhang , Shunhong Zhang , Jian Wu , Zheng Liu

Polar phonons can induce electric fields in an adjacent layer, whether non-polar or polar, producing remote phonon scattering of electrons. Treatment of remote phonon scattering has been based on the dielectric continuum model which takes…

Materials Science · Physics 2020-04-15 A. Dyson , B. K. Ridley

The possible use of spin and magnets in place of charge and capacitors to store and process information is well known. Magnetic tunnel junctions are being widely investigated and developed for magnetic random access memories. These are two…

Mesoscale and Nanoscale Physics · Physics 2014-11-26 Behtash Behin-Aein , Jian-Ping Wang , Roland Wiesendanger

In this work, we report the theoretical possibility of generating magnon polaron excitations through a space-varying magnetic field. The spatial dependence of the magnetic field in the Zeeman interaction gives rise to a magnon-phonon…

Mesoscale and Nanoscale Physics · Physics 2020-09-16 N. Vidal-Silva , E. Aguilera , A. Roldán-Molina , R. A. Duine , A. S. Nunez

We report on temperature dependence of acoustic phonon-induced resistance oscillations in very high mobility two-dimensional electron systems. We observe that the temperature dependence is non-monotonic and that higher order oscillations…

Mesoscale and Nanoscale Physics · Physics 2009-02-26 A. T. Hatke , M. A. Zudov , L. N. Pfeiffer , K. W. West

The magnon-phonon coupling has received growing attention in recent years due to its central role in spin caloritronics and the emerging field of acoustic spintronics. At resonance, this magnetoelastic interaction drives the formation of…

Mathematical Physics · Physics 2021-11-02 Tor Jonas Sjöstrand , Ferdi Aryasetiawan

Electrostatic gating confines and controls the transport of electrons in integrated circuits. Magnons, the quanta of spin waves of the magnetic order, are promising alternative information carriers, but difficult to gate. Here we report…

Mesoscale and Nanoscale Physics · Physics 2022-09-21 Tao Yu , Gerrit E. W. Bauer

Nonlinear relaxation between spin waves (magnons) and the crystal lattice (phonons) in an insulating ferromagnet is investigated theoretically. Magnons and phonons are described by the equilibrium Bose-Einstein distributions with different…

Mesoscale and Nanoscale Physics · Physics 2018-09-12 Valerij A. Shklovskij , Viktoriia V. Mezinova , Oleksandr V. Dobrovolskiy

Phonon-phonon interactions are fundamental to understanding a wide range of material properties, including thermal transport and vibrational spectra. In conventional perturbative approaches, energy conservation during each microscopic…

Materials Science · Physics 2025-05-19 Aloïs Castellano , J. P. Alvarinhas Batista , Matthieu J. Verstraete

Phonons are well known to be the main mechanism for the coupling between bright and dark excitons in nonmagnetic semiconductors. Here, we investigate diluted magnetic semiconductors where this process is in direct competition with the…

Mesoscale and Nanoscale Physics · Physics 2019-03-12 Florian Ungar , Moritz Cygorek , Vollrath Martin Axt

Inducing nonreciprocal wave propagation is a fundamental challenge across a wide range of physical systems in electromagnetics, optics, and acoustics. Recent efforts to create nonreciprocal devices have departed from established…

In the field of magnonics, which uses magnons, the quanta of spin waves, for energy-efficient data processing, significant progress has been made leveraging the capabilities of the inverse design concept. This approach involves defining a…