Intermediate valence impurity with a local boson field. Response to external probes II

J. Kowalska and J. Zieliński

Physica A: Statistical Mechanics and its Applications, 1985, vol. 131, issue 1, 104-114

Abstract: The problem of the response of the intermediate valence impurity to an external probe is discussed. The spinless Anderson model for a single impurity extended by the coupling with the local boson mode and the external perturbation is considered. Regimes of energies for which a “single response” and “two responses” of the system are possible are found. The dependence of the shape of the core and the valence spectra on the electron-boson coupling λ is analysed. When λ increases, the main peak in the spectrum is shifted and plasmon satellites appear. The method is presented for calculations of the core and valence spectra for different temperatures.

Date: 1985
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:131:y:1985:i:1:p:104-114

DOI: 10.1016/0378-4371(85)90081-0

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