Перегляд за автором "Zhdanov, V.I."

Результати 1-7 з 7

Cosmological scalar fields that mimic the ΛCDM cosmological model

Zhdanov, V.I.; Ivashchenko, G.Yu. (Кинематика и физика небесных тел, 2009)
Exact Solutions of the Equations of Relativistic Hydrodynamics Representing Potential Flows

Borshch, M.S.; Zhdanov, V.I. (Symmetry, Integrability and Geometry: Methods and Applications, 2007)

We use a connection between relativistic hydrodynamics and scalar field theory to generate exact analytic solutions describing non-stationary inhomogeneous flows of the perfect fluid with one-parametric equation of state ...
Gravitational lens equation: critical solutions and magnification near folds and cusps

Alexandrov, A.N.; Koval, S.M.; Zhdanov, V.I. (Advances in Astronomy and Space Physics, 2012)

We study approximate solutions of the gravitational lens equation and corresponding lens magnification factor near the critical point. This consideration is based on the Taylor expansion of the lens potential in powers of ...
Microlensing effects and structure of gravitational lens systems

Fedorova, E.V.; Alexandrov, A.N.; Zhdanov, V.I. (Кинематика и физика небесных тел, 2005)

A study of gravitational microlensing of distant objects is presented. We performed simulations of light curves and trajectories of the image centroid of an extended source in the Chang–Refsdal lens with shear and continual ...
Observations of Sy2 galaxy NGC 3281 by XMM-Newton and INTEGRAL satellites

Vasylenko, A.A.; Fedorova, E.; Zhdanov, V.I. (Advances in Astronomy and Space Physics, 2013)

We present the results of the analysis of X-ray properties of the Seyfert 2 galaxy NGC 3281, based on the observational data obtained by XMM-Newton and INTEGRAL within the energy ranges 0.2-12 keV and 20-150 keV, respectively. ...
Search for the astrophysical sources of the Fly's Eye event with the highest to date cosmic ray energy E=3.2·10²⁰ eV

Gnatyk, R.B.; Kudrya, Yu.N.; Zhdanov, V.I. (Advances in Astronomy and Space Physics, 2016)

Among the registered extremely high energy cosmic rays (EHECR, E > 10²⁰ eV) an event with the highest to date energy of E = 3.2 · 10²⁰ eV was detected by the Fly's Eye experiment (FE event) in 1991. With the use of the ...
The existence and stability of relativistic shock waves: general criteria and numerical simulations for a non-convex equation of state

Tytarenko, P.V.; Zhdanov, V.I. (Condensed Matter Physics, 1998)

A small viscosity approach to discontinuous flows is discussed in relativistic hydrodynamics with a general (possibly, non-convex) equation of state that typically occurs in the domains of phase transitions. Different ...

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Перегляд за автором "Zhdanov, V.I."

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