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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Datum:2015
Hauptverfasser: Tkach, M.V., Seti, Ju.O., Voitsekhivska, O.M., Pytiuk, O.Yu.
Format: Artikel
Sprache:English
Veröffentlicht: Інститут фізики конденсованих систем НАН України 2015
Schriftenreihe:Condensed Matter Physics
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Назва журналу:Digital Library of Periodicals of National Academy of Sciences of Ukraine
Zitieren:Renormalized energy of ground and first excited state of Fröhlich polaron in the range of weak coupling / M.V. Tkach, Ju.O. Seti, O.M. Voitsekhivska, O.Yu. Pytiuk // Condensed Matter Physics. — 2015. — Т. 18, № 3. — С. 33707: 1–12 . — Бібліогр.: 28 назв. — англ.

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