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Renormalized energy of ground and first excited state of Fröhlich polaron in the range of weak coupling

Renormalized energy of ground and first excited state of Fröhlich polaron in the range of weak coupling

The partial summing of infinite range of diagrams for the two-phonon mass operator of polaron described by Frohlich Hamiltonian is performed using the Feynman-Pines diagram technique. The renormalized spectral parameters of ground and first excited (phonon repeat) polaron state are accurately calcul...

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Bibliographic Details
Main Authors: Tkach, M.V., Seti, Ju.O., Voitsekhivska, O.M., Pytiuk, O.Yu.
Format: Article
Language:English
Published: Інститут фізики конденсованих систем НАН України 2015
Series:Condensed Matter Physics
Online Access:http://dspace.nbuv.gov.ua/handle/123456789/155268
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http://dspace.nbuv.gov.ua/handle/123456789/155268

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