Zobrazeno 1 - 10
of 79
pro vyhledávání: '"M.V. Tkach"'
Publikováno v:
Condensed Matter Physics, Vol 24, Iss 1, p 13705 (2021)
Within unitary transformed Hamiltonian of Fröhlich type, using the Green's functions method, exact renormalized energy spectrum of quasiparticle strongly interacting with two-mode polarization phonons is obtained at T=0 K in a model of the system wi
Externí odkaz:
https://doaj.org/article/50cd871dcd004675996358066de16d45
Publikováno v:
Condensed Matter Physics, Vol 22, Iss 3, p 33703 (2019)
The theory of renormalized energy spectrum of a multi-level quasiparticle interacting with polarization phonons at T = 0 K is developed within the Feynman-Pines diagram technique in a new approach. It permits a successive separation of multiplicative
Externí odkaz:
https://doaj.org/article/e84e99144ee64e0d8b1bb279660b630e
Publikováno v:
Condensed Matter Physics, Vol 21, Iss 4, p 43703 (2018)
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 parti
Externí odkaz:
https://doaj.org/article/4f1f497f5c5643efae9158cdd1f77b7a
Publikováno v:
Condensed Matter Physics, Vol 20, Iss 4, p 43706 (2017)
The theory of renormalized energy spectrum of localized quasi-particle interacting with polarization phonons at finite temperature is developed within the Feynman-Pines diagram technique. The created computer program effectively takes into account mu
Externí odkaz:
https://doaj.org/article/da6f6fa85e4c49959cc52914385676ef
Publikováno v:
Condensed Matter Physics, Vol 19, Iss 4, p 43701 (2016)
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 energies at the finite temperature of the system. It is established that
Externí odkaz:
https://doaj.org/article/a8e131295c744ae78c26ea93980afb39
Publikováno v:
Condensed Matter Physics, Vol 18, Iss 3, p 33707 (2015)
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 (
Externí odkaz:
https://doaj.org/article/37449f35944b43f89f663b9831b5d0e6
Publikováno v:
Condensed Matter Physics, Vol 17, Iss 2, p 23704 (2014)
The Hamiltonian of electrons interacting with interface phonons in three-barrier resonant tunneling structure is established using the first principles within the models of effective mass and polarization continuum. Using the Green's functions method
Externí odkaz:
https://doaj.org/article/53fab262fa134ec8bbc61ffb8406a08d
Publikováno v:
Condensed Matter Physics, Vol 16, Iss 3, p 33701 (2013)
Using the effective mass and rectangular potential approximations, the theory of electron dynamic conductivity is developed for the plane multilayer resonance tunnel structure placed into a constant electric field within the model of open nanosystem,
Externí odkaz:
https://doaj.org/article/c097872afb614f8ea3d16ad65ab1fdfe
Publikováno v:
Condensed Matter Physics, Vol 15, Iss 3, p 33703 (2012)
An exact solution of non-stationary Schrodinger equation is obtained for a one-dimensional movement of electrons in an electromagnetic field with arbitrary intensity and frequency. Using it, the permeability coefficient is calculated for a two-barrie
Externí odkaz:
https://doaj.org/article/7e7f0e84f4994c0fb99d2624244fdaba
Publikováno v:
Condensed Matter Physics, Vol 14, Iss 4, p 43702 (2011)
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 potentials and different effective masses of electrons in the elements of
Externí odkaz:
https://doaj.org/article/431bd43efc6b4f08ad81a4da5368a5e2