English
Related papers

Related papers: Elusive electron-phonon coupling in quantitative a…

200 papers

We simulate spectral functions for electron-phonon coupling in a filled band system - far from the asymptotic limit often assumed where the phonon energy is very small compared to the Fermi energy in a parabolic band and the Migdal theorem…

Strongly Correlated Electrons · Physics 2011-09-12 C. N. Veenstra , G. L. Goodvin , M. Berciu , A. Damascelli

We obtain analytical expressions for the electron self-energy and the electron-phonon coupling in electron-doped graphene using electron-phonon matrix elements extracted from density functional theory simulations. From the electron…

Superconductivity · Physics 2009-11-13 Matteo Calandra , Francesco Mauri

Ultrafast spectroscopies have become an important tool for elucidating the microscopic description and dynamical properties of quantum materials. In particular, by tracking the dynamics of non-thermal electrons, a material's dominant…

This treatise reviews latest results obtained from angle-resolved photoemission spectroscopy (ARPES) on cuprate superconductors, with a special focus on the electron-phonon interaction. What has emerged is rich information about the…

Strongly Correlated Electrons · Physics 2009-09-29 X. J. Zhou , T. Cuk , T. Devereaux , N. Nagaosa , Z. -X. Shen

We use a simple one-dimensional two-band model with electron-phonon coupling to illustrate some of the complications that arise in multi-band systems when trying to extract a self-energy using the typical approach used for single-band…

Strongly Correlated Electrons · Physics 2025-08-07 Yau Chuen Yam , Mona Berciu , George A. Sawayzky

We obtained the spectral function of very high quality natural graphite single crystals using angle resolved photoelectron spectroscopy (ARPES). A clear separation of non-bonding and bonding bands and asymmetric lineshape are observed. The…

Strongly Correlated Electrons · Physics 2009-11-13 C. S. Leem , B. J. Kim , Chul Kim , S. R. Park , T. Ohta , A. Bostwick , E. Rotenberg , H. -D. Kim , M. K. Kim , H. J. Choi , C. Kim

Numerous angle resolved photoemission spectroscopy (ARPES) studies of a wide class of low-density metallic systems, ranging from doped transition metal oxides to quasi two-dimensional interfaces between insulators, exhibit phonon sidebands…

Strongly Correlated Electrons · Physics 2020-10-29 J. Krsnik , V. N. Strocov , N. Nagaosa , O. S. Barišić , Z. Rukelj , S. M. Yakubenya , A. S. Mishchenko

We have performed high resolution angle resolved photoemission (ARPES) studies on electron doped cuprate superconductors Sm2-xCexCuO4 (x=0.10, 0.15, 0.18), Nd2-xCexCuO4 (x=0.15) and Eu2-xCexCuO4 (x=0.15). Imaginary parts of the electron…

Superconductivity · Physics 2009-11-13 Seung Ryong Park , D. J. Song , C. S. Leem , Chul Kim , C. Kim , B. J. Kim , H. Eisaki

In the past decade, the advent of time-resolved spectroscopic tools has provided a new ground to explore fundamental interactions in solids and to disentangle degrees of freedom whose coupling leads to broad structures in the frequency…

Recently there has been an accumulation of experimental evidence in the high temperature superconductors suggesting the relevance of electron-phonon coupling in these materials. These findings challenge some well-held beliefs of what…

Superconductivity · Physics 2007-05-23 T. P. Devereaux , T. Cuk , Z. -X. Shen , N. Nagaosa

We study (inverse) photoemission from systems with strong coupling of doped carriers to phonons. Using an adiabatic approximation, we develop a method for calculating spectra. This method is particularly simple for systems where the…

Strongly Correlated Electrons · Physics 2007-05-23 O. Rösch , O. Gunnarsson

Angle-resolved photoemission spectroscopy is a powerful experimental technique for studying anisotropic many-body interactions through the electron spectral function. Existing attempts to decompose the spectral function into non-interacting…

Materials Science · Physics 2026-05-01 Thomas P. van Waas , Christophe Berthod , Jan Berges , Nicola Marzari , J. Hugo Dil , Samuel Poncé

We investigate the coupling of an inhomogeneous electron system to phonons. The properties of an electronic system composed of a mixture of microscopic ordered and disordered islands are changed fundamentally by a phonon mode. In high-Tc…

Superconductivity · Physics 2008-09-06 Natalia Pavlenko , Thilo Kopp

A description of electron-phonon coupling at a defect or impurity is essential to characterizing and harnessing its functionality for a particular application. Electron-phonon coupling limits the amount of useful light produced by a…

Materials Science · Physics 2026-04-21 Mark E. Turiansky , John L. Lyons

We obtained the spectral function of the graphite H point using high resolution angle resolved photoelectron spectroscopy (ARPES). The extracted width of the spectral function (inverse of the photo-hole lifetime) near the H point is…

We analyze renormalization of the pi band of n-doped epitaxial graphene on Ir(111) induced by electron-phonon coupling. Our procedure of extracting the bare band relies on recursive self-consistent refining of the functional form of the…

Strongly Correlated Electrons · Physics 2014-07-25 Ivo Pletikosić , Marko Kralj , Milorad Milun , Petar Pervan

We report quasiparticle properties of the half-metal ferromagnet CrO2 by means of high-resolution angle-resolved photoemission spectroscopy (ARPES). We clearly observed the Fermi surface (FS) and band dispersion in good agreement with the…

We show that high resolution Resonant Inelastic X-ray Scattering (RIXS) provides direct, element-specific and momentum-resolved information on the electron-phonon (e-p) coupling strength. Our theoretical analysis demonstrates that the e-p…

Strongly Correlated Electrons · Physics 2012-12-03 Luuk J. P. Ament , Michel van Veenendaal , Jeroen van den Brink

Time and angular resolved photoelectron spectroscopy is a powerful technique to measure electron dynamics in solids. Recent advances in this technique have facilitated band and energy resolved observations of the effect that excited…

Materials Science · Physics 2020-09-30 Umberto De Giovannini , Hannes Hübener , Shunsuke A. Sato , Angel Rubio

Nonequilibrium pump-probe time domain spectroscopies can become an important tool to disentangle degrees of freedom whose coupling leads to broad structures in the frequency domain. Here, using the time-resolved solution of a model…

‹ Prev 1 2 3 10 Next ›