Zobrazeno 1 - 10
of 71
pro vyhledávání: '"Tsybin Oleg"'
Publikováno v:
St. Petersburg Polytechnical University Journal: Physics and Mathematics, Vol 16, Iss 3 (2023)
In the paper, a method for analyzing molecular oscillations of the glycine, tryptophan and difenilalanine amino acids in the electric fields of the THz/IR frequency ranges has been implemented with Fourier-frequency spectrum calculation of the integr
Externí odkaz:
https://doaj.org/article/e7f78dc6c097454b9e8c5d80717a53dd
Publikováno v:
St. Petersburg Polytechnical University Journal: Physics and Mathematics, Vol 15, Iss 4 (2022)
In order to analyze molecular vibrations, a method based on the calculation of the Fourier frequency spectrum of supercomputer amplitude-time realizations of the integral dipole moment in supercomputer simulation of glycine, Diphenyl-L-alanine, and t
Externí odkaz:
https://doaj.org/article/b195c49e43da4bb2abad89a1c6cce1b9
Publikováno v:
St. Petersburg Polytechnical University Journal: Physics and Mathematics, Vol 14, Iss 4 (2021)
A comparative analysis of the free energy of alanine, tryptophan and albumin protein amino acids in the aqueous solutions of sodium chloride with different concentrations (ionization degree) has been carried out using the molecular computer modeling
Externí odkaz:
https://doaj.org/article/5f67c742b39647f68dbdf63e471164c4
Autor:
Dyubo Dmitry, Makarov Sergey, Kuleshov Yuri, Goncharov Pavel, Shunevich Nikolay, Martynov Viktor, Tsybin Oleg
Publikováno v:
St. Petersburg Polytechnical University Journal: Physics and Mathematics, Vol 14, Iss 3 (2021)
This paper continues the publication cycle on developing the ion plasma electrically powered spacecraft propulsion (EPSP) of the spacecraft. For monitoring and control of the EPSP operation, a feedback system based on a signal proportional to the EPS
Externí odkaz:
https://doaj.org/article/2db6335b9a4e4953bc7d8871afd61e23
Publikováno v:
St. Petersburg Polytechnical University Journal: Physics and Mathematics, Vol 14, Iss 1 (2021)
Studies of the structure of a dehydrated film on the surface of a solid, obtained from an aqueous solution of albumin molecules, have been carried out. The research method consisted of obtaining micrographs in transmitted film and light reflected fro
Externí odkaz:
https://doaj.org/article/83610287ae5249679d5795b2776ac062
Autor:
Tsybin Oleg, Makarov Sergey, Dyubo Dmitry, Kuleshov Yuri, Goncharov Pavel, Martynov Viktor, Shunevich Nikolay
Publikováno v:
St. Petersburg Polytechnical University Journal: Physics and Mathematics, Vol 13, Iss 2 (2020)
A number of characteristics of ionic and ion-plasma accelerators laboratory samples designed for electrically powered spacecraft propulsion were investigated in the experimental research. In a large-sized vacuum chamber (2.4 m^3, 10^-3 Pa) in the MCA
Externí odkaz:
https://doaj.org/article/86bc30b21671409e804b38b0003185ba
Autor:
Dyubo Dmitry, Tsybin Oleg
Publikováno v:
St. Petersburg Polytechnical University Journal: Physics and Mathematics, Vol 13, Iss 1 (2020)
Аn analytical electrodynamic algorithm has been developed in order to study physical processes and calculate mechanical forces in an ion accelerator. This algorithm is combined with computer simulation of the electromagnetic field and charged partic
Externí odkaz:
https://doaj.org/article/afae431fe36847e68427d2af09edbd9d
Autor:
Klimchitskaya, Galina L., Korikov, Constantine C., Mostepanenko, Vladimir M., Tsybin, Oleg Yu.
Publikováno v:
Symmetry, v.15, N8, 1580 (2023)
The out-of-thermal-equilibrium Casimir-Polder force between nanoparticles and dielectric substrates coated with gapped graphene is considered in the framework of the Dirac model using the formalism of the polarization tensor. This is an example of ph
Externí odkaz:
http://arxiv.org/abs/2308.11306
Autor:
Klimchitskaya, Galina L., Korikov, Constantine C., Mostepanenko, Vladimir M., Tsybin, Oleg Yu.
Publikováno v:
Appl. Sci. v.13, 7511 (2023)
We consider the nonequilibrium dispersion force acting on nanoparticles on the source side of gapped graphene sheet. Nanoparticles are kept at the environmental temperature, whereas the graphene sheet may be either cooler or hotter than the environme
Externí odkaz:
http://arxiv.org/abs/2307.03009
Publikováno v:
Symmetry, v.14, N10, 2196 (2022)
We consider the fluctuation-induced (Casimir) pressure in peptide films deposited on GaAs, Ge, and ZnS substrates which are either in dielectric or metallic state. Calculations of the Casimir pressure are performed in the framework of fundamental Lif
Externí odkaz:
http://arxiv.org/abs/2212.07129