On the local approximation of the electron-photon interaction self-energy - Archive ouverte HAL
Article Dans Une Revue Journal of Computational Electronics Année : 2016

On the local approximation of the electron-photon interaction self-energy

Résumé

We investigate the impact of the so-called local, i.e., diagonal, approximation for the electron-photon scattering self-energy, within the nonequilibrium Green's function formalism. We report on three different systems to show that the local approximation may dramatically degrade expected selection rules, but that this degradation has minor impacts on the physical properties of realistic systems in which other scattering processes are assumed.
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Dates et versions

hal-01434948 , version 1 (13-01-2017)

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Nicolas Cavassilas, Fabienne Michelini, Marc Bescond. On the local approximation of the electron-photon interaction self-energy. Journal of Computational Electronics, 2016, 15 (4, SI), pp.1233-1239. ⟨10.1007/s10825-016-0883-5⟩. ⟨hal-01434948⟩
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