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

J. Zieliński

Physica A: Statistical Mechanics and its Applications, 1985, vol. 129, issue 3, 626-636

Abstract: The spinless Anderson impurity model accomplished by the coupling with local bosons is considered in the context of the response to external probes. The influence of the electron-boson coupling on the behaviour of the spectral functions is analysed with the help of the method of equations of motion for Green functions within the approximation scheme, leading to analytical expressions. With the increase of electron-boson coupling the boson satellite appears in the spectra whose structure is then smeared.

Date: 1985
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:129:y:1985:i:3:p:626-636

DOI: 10.1016/0378-4371(85)90190-6

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