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1982•Physical review. B, Condensed matterRequires access

Quasiparticle properties for a dense electron gas within the random-phase approximation

Jorge Berger, S. G. Eckstein

Open publisher page 6 citations

Abstract

Single-particle properties for an electron gas are calculated as functions of the density parameter ${r}_{s}$, using the RPA (random-phase, or ring-diagrams, approximation). The singularity pattern for the single-particle Green's function and the possibility of nonex-ponential decay of a quasiparticle are analyzed.

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Single-particle properties for an electron gas are calculated as functions of the density parameter ${r}_{s}$, using the RPA (random-phase, or ring-diagrams, approximation). The singularity pattern for the single-particle Green's function and the possibility of nonex-ponential decay of a quasiparticle are analyzed.

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Available abstract

Single-particle properties for an electron gas are calculated as functions of the density parameter ${r}_{s}$, using the RPA (random-phase, or ring-diagrams, approximation). The singularity pattern for the single-particle Green's function and the possibility of nonex-ponential decay of a quasiparticle are analyzed.

Key concepts: Quasiparticle, Random phase approximation, Physics, Singularity, Fermi gas, Electron, Phase (matter), Particle (ecology)

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