# Many-Body Calculations of Plasmon and Phonon Satellites in Angle-Resolved Photoelectron Spectra Using the Cumulant Expansion Approach

@article{Caruso2020ManyBodyCO, title={Many-Body Calculations of Plasmon and Phonon Satellites in Angle-Resolved Photoelectron Spectra Using the Cumulant Expansion Approach}, author={Fabio Caruso and Carla Verdi and Feliciano Giustino}, journal={Handbook of Materials Modeling}, year={2020} }

The interaction of electrons with crystal lattice vibrations (phonons) and collective charge-density fluctuations (plasmons) influences profoundly the spectral properties of solids revealed by photoemission spectroscopy experiments. Photoemission satellites, for instance, are a prototypical example of quantum emergent behavior that may result from the strong coupling of electronic states to plasmons and phonons. The existence of these spectral features has been verified over energy scales…

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## References

SHOWING 1-10 OF 63 REFERENCES

### Electron-plasmon and electron-phonon satellites in the angle-resolved photoelectron spectra of n-doped anatase TiO2

- Physics
- 2018

We develop a first-principles approach based on many-body perturbation theory to investigate the effects of the interaction between electrons and carrier plasmons on the electronic properties of…

### Electron-phonon interactions from first principles

- Physics
- 2017

This article reviews the theory of electron-phonon interactions in solids from the point of view of ab-initio calculations. While the electron-phonon interaction has been studied for almost a…

### Spectral fingerprints of electron-plasmon coupling

- Physics
- 2015

We investigate the spectroscopic fingerprints of electron-plasmon coupling in integrated (PES) and angle-resolved photoemission spectroscopy (ARPES). To account for electron-plasmon interactions at a…

### Strong Plasmon-Phonon Splitting and Hybridization in 2D Materials Revealed through a Self-Energy Approach

- Physics
- 2017

We reveal new aspects of the interaction between plasmons and phonons in 2D materials that go beyond a mere shift and increase in plasmon width due to coupling to either intrinsic vibrational modes…

### Cumulant expansion for phonon contributions to the electron spectral function

- Physics
- 2014

We describe an approach for calculations of phonon contributions to the electron spectral function, including both quasiparticle properties and satellites. The method is based on a cumulant expansion…

### Quasiparticles and phonon satellites in spectral functions of semiconductors and insulators: Cumulants applied to full first principles theory and Fr\"ohlich polaron

- Physics
- 2017

The electron-phonon interaction causes thermal and zero-point motion shifts of electron quasiparticle (QP) energies $\epsilon_k(T)$. Other consequences of interactions, visible in angle-resolved…

### Coupling of Plasmons to Polar Phonons in Degenerate Semiconductors

- Physics
- 1965

The coupling between longitudinal optical phonons and plasmons in degenerate polar semiconductors is investigated. At the appropriate carrier density (${10}^{17}$ to ${10}^{18}$ in III-V compounds)…

### Tailoring the nature and strength of electron-phonon interactions in the SrTiO3(001) 2D electron liquid.

- PhysicsNature materials
- 2016

The prototypical two-dimensional electron liquid at the SrTiO3(001) surface is used to reveal a remarkably complex evolution of electron-phonon coupling with the tunable carrier density of this system, and constraints on the theoretical description of superconductivity are placed.

### Dynamical effects in electron spectroscopy.

- PhysicsThe Journal of chemical physics
- 2015

A unified derivation of the GW approximation and the cumulant expansion for the one-body Green's function is given and it is shown that self-consistency is crucial to obtain meaningful results, in particular, at large binding energies.

### Satellite band structure in silicon caused by electron-plasmon coupling

- Physics
- 2015

We report the first angle-resolved photoemission measurement of the wave-vector dependent plasmon satellite structure of a three-dimensional solid, crystalline silicon. In sharp contrast to…