The Holstein-Anderson impurity model
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Abstract
A Holstein-Anderson impurity model is presented. Both the electronic states and the vibrational mode associated to the impurity are treated within a novel 'entangled' effective medium approach (a non-perturbative, self-consistent method). Vibronic spectra and susceptibilities are readily computed for the symmetric, half-filled case. As expected, charge fluctuations (electron-phonon interactions) depletes the magnetic response (susceptibility) when compared to the no-phonon case. © 2001 Published by Elsevier Science B.V.
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Anderson model, Electron-phonon interaction
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English
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Journal of Magnetism and Magnetic Materials, v. 226-230, n. PART I, p. 103-104, 2001.
