Press-Schechter halo mass function
= Press-Schechter halo mass function
{c}
The Press-Schechter differential abundance is
$$
\frac{dn}{dM}
=-\sqrt{\frac2\pi}\frac{\bar\rho}{M^2}
\nu e^{-\nu^2/2}\frac{d\log\sigma}{d\log M}.
$$
= Press-Schechter halo mass function
{c}
The Press-Schechter differential abundance is
$$
\frac{dn}{dM}
=-\sqrt{\frac2\pi}\frac{\bar\rho}{M^2}
\nu e^{-\nu^2/2}\frac{d\log\sigma}{d\log M}.
$$