7 citations · 11 across the 3 of their papers we have counts for
3 papers
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 +1
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 m…
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 +1
Partial summing of infinite range of diagrams for the two-phonon mass operator of polaron described by Fröhlich Hamiltonian is performed using the Feynman-Pines diagram technique.…
Non-perturbation theory of electronic dynamic conductivity for two-barrier resonance tunnel nano-structure
M. V. Tkach, Ju. O. Seti, O. M. Voitsekhivska
The non-perturbation theory of electronic dynamic conductivity for open two-barrier resonance tunnel structure is established for the first time within the model of rectangular pot…