l_p ~ \Omega_tot^-1/2

[Boud Roukema]

On Sun, 5 Oct 2003, szajtan odwieczny wrote:

> for those who are not in the topic it is about the question
> why is l_p (which is the number of the multipole on which there is the
> first peak - so called acustic peak - in the angular power spectrum of CMB
> fluctuations) proportional to \Omega_tot^-1/2 (which is the unitless total
> density of the Universe) ?

Maybe Ruth Durrer's paper "The theory of CMB anisotropies" might help?

http://arxiv.org/abs/astro-ph/0109522

e.g. p26