Norma G.SANCHEZ (.pdf)
Norma G.SANCHEZ (.pdf)
Norma G.SANCHEZ (.pdf)
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•<br />
The comoving<br />
wavelength, ie<br />
Jeans’<br />
(free-streaming)<br />
the largest wavevector<br />
gravitational instability , and the<br />
smallest unstable mass by gravitational<br />
obtained in the range<br />
• These<br />
small<br />
0.76 kpc<br />
0.45 10 3<br />
Jeans’<br />
exhibiting<br />
mass (the<br />
collapse) are<br />
/ (√1 + z) < λfs(z) < 16.3 kpc<br />
M sun<br />
< M J<br />
(z) (1 + z) -3/2 < 0.45 10 7<br />
values at z = 0 are consistent and of order<br />
dark matter structures observed today .<br />
/ (√1 + z)<br />
M sun<br />
of the<br />
• By the beginning of the matter dominated era z ~ 3200,<br />
the masses are of the order of galactic masses 1012 Msun and the comoving free-streaming length is of the order of<br />
the galaxy sizes today ~ 100 kpc
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