Electron-phonon interactions from first principles
2017年2月16日 · In this article a review of the theoretical and computational framework underlying modern electron-phonon calculations from first principles as well as landmark investigations of …
Direct observation of large electron–phonon interaction
2020年11月27日 · By optically exciting electron-hole pairs in a crystalline silicon membrane, we single out the effect of the phonon–carrier interaction. The enhanced phonon scattering by …
Electron-phonon interactions So far, we considered the motion of electrons in the static periodic potential that would arise if the ions were frozen in their equilibrium positions.
Electron–phonon physics from first principles using the EPW code
2023年8月25日 · Predictive non-empirical calculations of electron–phonon interactions play an essential role in elucidating a variety of materials properties and their temperature dependence.
electron-phonon coupling which leads to screening and the recov-ery of the acoustic spectrum. The main point is to realize that the singular behavior is due to the long-range Coulomb interac …
Phonon modes and electron–phonon coupling at the FeSe/SrTiO
2024年10月30日 · We uncover new optical phonon modes, coupling strongly with electrons, in the energy range of 75–99 meV. These modes are characterized by out-of-plane vibrations of …
Mechanisms of electron-phonon coupling unraveled in …
The electron-phonon coupling vertex, g q,ab, describes the rate of inelastic single-electron scattering between states of energies ϵ k, a 0 and ϵ k − q, b 0 in bands a and b (respectively) …
Data-Driven Compression of Electron-Phonon Interactions
2024年5月1日 · We demonstrate a data-driven method to compress the matrices for electron-phonon interactions, accelerating their calculation by about 2 orders of magnitude while …
Electron-Phonon Interaction - an overview | ScienceDirect Topics
Electron-phonon interaction refers to the process where thermal vibrations in a material's lattice generate phonons that scatter conduction electrons, affecting the electrical conductivity of …
Electron Phonon Interactions - an overview - ScienceDirect
The electron–phonon interaction is a central topic in solid state physics, notably as the process that determines electrical resistance, superconductivity, and the equilibrium dynamics of hot …
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