Zobrazeno 1 - 10
of 311
pro vyhledávání: '"Lukyanov, A. V."'
Autor:
Lukyanov, Sergiy V.
The time evolution of the distribution function for a particle-hole excitation in a Fermi system was calculated using the direct numerical solution of a nonlinear diffusion equation in momentum space. A phenomenological expression for calculating the
Externí odkaz:
http://arxiv.org/abs/2410.10492
We hypothesize that the spread of oil slicks on the water's surface during oil spills is significantly influenced by water wave motion at the initial or intermediate spreading stages, well before emulsification processes have a substantial impact on
Externí odkaz:
http://arxiv.org/abs/2403.06530
Properties of the diffusion and drift kinetic coefficients in momentum space for a cold Fermi system
Autor:
Lukyanov, Sergiy V.
Publikováno v:
Nucl. Phys. At. Energy 24, 005 (2023)
Using the methods of kinetic theory expressions for the diffusion and drift coefficients for a cold Fermi system are obtained. Their dependences on the momentum are calculated for the step distribution function as well as in the case of excitation of
Externí odkaz:
http://arxiv.org/abs/2210.15299
The formation of a planar hydraulic jump has been analysed in the framework of a full depth-averaged thin film model (DAM) with surface tension effects included. We have demonstrated regular weak solutions of the full DAM and analysed surface tension
Externí odkaz:
http://arxiv.org/abs/2106.04194
Autor:
Lukyanov, S. V.
Publikováno v:
Int. J. Mod. Phys. E 30(6), 2150060 (2021)
An expression for the two-particle relaxation time of collective excitations on a distorted Fermi surface in the diffusion approach to kinetic theory is obtained. The general case of momentum-dependent diffusion and drift coefficients is considered.
Externí odkaz:
http://arxiv.org/abs/2103.17129
Elastic cross sections are calculated and compared with the data on $\pi^{\pm}$ scattering on $^{28}$Si, $^{40}$Ca, $^{58}$Ni, $^{208}$Pb nuclei in the energy range from 130 to 290 MeV. To this end, both the folding optical potential (OP) and the loc
Externí odkaz:
http://arxiv.org/abs/2103.08448
Autor:
Lukyanov, Alex V., Mitkin, Vladimir V., Pryer, Tristan, Sirimark, Penpark, Theofanous, Theo G.
The problem of capillary transport in fibrous porous materials at low levels of liquid saturation has been addressed. It has been demonstrated, that the process of liquid spreading in this type of porous materials at low saturation can be described m
Externí odkaz:
http://arxiv.org/abs/2006.12419
Akademický článek
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Akademický článek
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Autor:
Lukyanov, S. V., Sanzhur, A. I.
Publikováno v:
Nucl. Phys. At. Energy 21(3), 223 (2020)
The influence of the diffuse surface layer of a finite nucleus on the mean square radii and their isotopic shift is investigated. We present the calculations within the Gibbs-Tolman approach using the experimental values of the nucleon separation ene
Externí odkaz:
http://arxiv.org/abs/1911.01104