11 citations · 39 across the 8 of their papers we have counts for
8 papers
Renormalized spectrum of quasiparticle in limited number of states, strongly interacting with two-mode polarization phonons at K
M. V. Tkach, Ju. O. Seti, O. M. Voitsekhivska +1
Within unitary transformed Hamiltonian of Fröhlich type, using the Green's functions method, exact renormalized energy spectrum of quasiparticle strongly interacting with two-mode…
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…
Energy spectrum of localized quasiparticles renormalized by multi-phonon processes at finite temperature
M. V. Tkach, O. Yu. Pytiuk, O. M. Voitsekhivska +1
The theory of renormalized energy spectrum of localized quasi-particle interacting with polarization phonons at finite temperature is developed within the Feynman-Pines diagram tec…
Properties and temperature evolution of the spectrum of localized quasi-particles interacting with polarization phonons in two models
M. V. Tkach, Ju. O. Seti, O. M. Voitsekhivska +1
Using the Feynman-Pines diagram technique, the energy spectrum of localized quasi-particles interacting with polarization phonons is calculated and analyzed in the wide range of en…
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.…
The effect of interface phonons on operating electron states in three-barrier resonant tunneling structure as an active region of quantum cascade detector
M. V. Tkach, Ju. O. Seti, Y. B. Grynyshyn +1
The Hamiltonian of electrons interacting with interface phonons in three-barrier resonant tunneling structure is established using the first principles within the models of effecti…