by Maxim Khlopov on Sun 10 Apr 2011 19:36
Dear Ilya,
The probability for accretion on BH (falling down BH of particles from outside) was calculated and its role in the increase of BH mass was found negligible.
We don't consider processes inside BH, all the effects outside BH are related with the gravitational field of the matter, which was originally beyond its gravitational radius and then collapsed and formed BH.
You can talk about the density of matter, before it formed BH - it is just the mass devided by the volume within gravitational radius.
But it is not BH density as soon as this matter collapsed and disappeared from us within gravitational radius
Regards
M.Yu.Khlopov
[i]Хлопов Максим Юрьевич
Maxim Khlopov[/i]