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Coherent states of phonons in the polarons problem: Optical transitions of the large polaron at rest

✍ Scribed by Nice Terzi

Publisher
Elsevier Science
Year
1984
Tongue
English
Weight
169 KB
Volume
31-32
Category
Article
ISSN
0022-2313

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The spectral function of a single electron coupled to Einstein phonons (Holstein model) is calculated exactly in the limit of large space dimensionality, for any coupling strength and phonon frequency. A self-consistent mapping onto an effective impurity model leads to the solution in terms of a con