Generalized method of Feynman-Pines diagram technique in the theory of energy spectrum of two-level quasiparticle renormalized due to multi-phonon processes at cryogenic temperature

• Published in: Condensed Matter Physics
• Date: 2018
• Main Authors: Tkach, M.V., Pytiuk, O.Yu., Voitsekhivska, O.M., Seti, Ju.O.
• Format: Article
• Language: English
• Published: Інститут фізики конденсованих систем НАН України 2018
• Online Access: https://nasplib.isofts.kiev.ua/handle/123456789/157464
• Journal Title: Digital Library of Periodicals of National Academy of Sciences of Ukraine
• Cite this: Generalized method of Feynman-Pines diagram technique in the theory of energy spectrum of two-level quasiparticle renormalized due to multi-phonon processes at cryogenic temperature / M.V. Tkach, O.Yu. Pytiuk, O.M. Voitsekhivska, Ju.O. Seti // Condensed Matter Physics. — 2018. — Т. 21, № 4. — С. 43703: 1–14. — Бібліогр.: 41 назв. — англ.

Theory of the spectrum of localized two-level quasi-particle renormalized due to interaction with polarization
 phonons at cryogenic temperature is developed using the generalized method of Feynman-Pines diagram technique. Using the procedure of partial summing of infinite ranges of the main...