Electron-phonon interactions and Kohn anomalies
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Electron-phonon interactions
Free electrons in lattice
Phonons: crystal vibrations
Lattice Vibration and Phonons in 1D
Acoustical and Optical Phonon in 3D
Derivation of Hamiltonian Electron-Phonon Coupling
The Hamiltonian for the electron-phonon interaction can be described as
Where
Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle H^0_{ph} = \sum_{k \lamda}E_kc^\dagger_{k \sigma}c_{k \sigma}}