Astronomy and Astrophysics – Astrophysics
Scientific paper
Oct 1997
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997ap.....40..347s&link_type=abstract
Astrophysics, Volume 40, Issue 4, pp.347-353
Astronomy and Astrophysics
Astrophysics
Intergalactic Clouds: Mass Spectra, Intergalactic Clouds: Inhomogeneities
Scientific paper
The possible influence of the internal structure of inter galactic clouds on their asymptotic mass spectrum n(m, t→ ∞) is investigated by numerically solving the Smoluchovski equation. Allowance for internal structure (inhomogeneity, fractality) leads to a relationship between cloud mass and radius of the type m oc Rk; values of the parameter k from the range [1.5, 3] were used in the calculations. Values of the slope q(k) of the asymptotic mass spectrum are obtained for different sections of the spectrum and different initial conditions n(m, t = 0). It is shown that the slope of the asymptotic spectrum depends strongly on the parameter k, which characterizes the degree of inhomogeneity of the mass distribution in the clouds. A self-consistent estimate of the fractal dimension of intergalactic clouds is obtained, improving the value found earlier.
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