Zobrazeno 1 - 10
of 44
pro vyhledávání: '"Ignatyuk, V. V."'
Autor:
Ignatyuk, V. V., Morozov, V. G.
The non-Markovian master equation for open quantum systems is obtained by generalization of the standard Zwanzig-Nakajima (ZN) projection technique. To this end, a coupled chain of equations for the reduced density matrices of the bath $\varrho_{B}(t
Externí odkaz:
http://arxiv.org/abs/2112.05595
Autor:
Ignatyuk, V. V., Morozov, V. G.
The non-Markovian master equation for open quantum systems is obtained by generalization of the ordinary Zwanzig-Nakajima (ZN) projection technique. To this end, a coupled chain of equations for the reduced density matrices of the bath $\varrho_{B}(t
Externí odkaz:
http://arxiv.org/abs/1911.12312
Publikováno v:
J. Chem. Phys. 149, 054101 (2018)
Velocity autocorrelation functions (VAF) of the fluids are studied on short- and long-time scales within a unified approach. This approach is based on an effective summation of the infinite continued fraction at a reasonable assumption about converge
Externí odkaz:
http://arxiv.org/abs/1901.08501
Publikováno v:
Condens. Matter Phys., 2018, vol. 21, No. 1, 13001
A simple ansatz for the study of velocity autocorrelation functions in fluids at different timescales is proposed. The ansatz is based on an effective summation of the infinite continued fraction at a reasonable assumption about convergence of relaxa
Externí odkaz:
http://arxiv.org/abs/1712.02593
Autor:
Ignatyuk, V. V.
We consider the qubit initial state preparation due to the nonselective measurements on an overcomplete basis, when the number of outcomes $N=3$. To be specific, we have chosen the dephasing model and applied the conditions for a post-measurement sta
Externí odkaz:
http://arxiv.org/abs/1511.05206
Autor:
Ignatyuk, V. V., Morozov, V. G.
The influence of the initial preparation on dephasing in open quantum dynamics is studied using an exactly solvable model of a two-level system (qubit) interacting with a bosonic bath. It is found that for some classes of non-selective preparation me
Externí odkaz:
http://arxiv.org/abs/1504.05244
Autor:
Ignatyuk, V. V., Morozov, V. G.
Publikováno v:
Condens. Matter Phys., 2013, vol. 16, No. 3, 34001
We study the bath dynamics in the dephasing model of a two-state quantum system (qubit) coupled to an environment of harmonic oscillators. This model was shown [Morozov et al., Phys. Rev. A, 2012, 85, 022101] to admit the analytic solution for the qu
Externí odkaz:
http://arxiv.org/abs/1310.1236
Autor:
Ignatyuk, V. V.
A temperature behavior of the frustrated translational mode (T-mode) of a light particle, coupled by different regimes of ohmicity to the surface, is studied within a formalism of the generalized diffusion coefficients. The memory effects of the adso
Externí odkaz:
http://arxiv.org/abs/1203.2451
Autor:
Ignatyuk, V. V.
We consider surface diffusion of a single particle, which performs site-to-site under-barrier hopping, fulfils intrasite motion between the ground and the first excited states within a quantum well, and interacts with surface phonons. On the basis of
Externí odkaz:
http://arxiv.org/abs/1012.1491
Autor:
Ignatyuk, V. V.1 ignat@icmp.lviv.ua, Morozov, V. G.2
Publikováno v:
Condensed Matter Physics. 2022, Vol. 25 Issue 1, p1-15. 15p.
