422 citations
- University of ViennaAT104 papers
- Russian Academy of SciencesRU59 papers
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- Institute of AstronomyRU30 papers
- University of CopenhagenDK29 papers
- P.N. Lebedev Physical Institute of the Russian Academy of SciencesRU23 papers
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7 papers · 1 filter
Simple numerical model of radio wave multiple scattering effects in the ionospheric plasma layer
N. A. Zabotin, E. S. Kovalenko
Computer simulations of radio energy transfer in the ionospheric layer with random small-scale irregularities for the case of a point ground-based source and total reflection have…
Wavelength limits on isobaricity of perturbations in a thermally unstable radiatively cooling medium
I. G. Kovalenko, Yu. A. Shchekinov
Nonlinear evolution of one-dimensional planar perturbations in an optically thin radiatively cooling medium in the long-wavelength limit is studied numerically. The accepted coolin…
Photoelectric heating for dust grains at high redshifts
Biman Nath, Shiv Sethi, Yuri Shchekinov
Lyman- absorption systems at with $N_{HI} \ga 3 \times 10^{14}$ cm have been found to be enriched with a mean metallicity of , and…
Limits on Dust and Metallicity Evolution of Lya Forest Clouds from COBE
A. Ferrara, B. Nath, S. Sethi +1
We consider possible observational consequences of dust and metals in \lya forest clouds. We relate the dust content, , to the metal evolution of the absorbers and assum…
Blue spectra and induced formation of primordial black holes
E. Kotok, P. Naselsky
We investigate the statistical properties of primordial black hole (PBH) formation in the very early Universe. We show that the high level of inhomogeneity of the early Universe le…
The Radiation Transfer at a Layer of Magnetized Plasma With Random Irregularities
N. A. Zabotin, A. G. Bronin, G. A. Zhbankov
The problem of radio wave reflection from an optically thick plane monotonous layer of magnetized plasma is considered at present work. The plasma electron density irregularities a…