- #1
shinobi20
- 267
- 19
Why is the power spectrum defined as
##P(k) = \frac{k^3}{2π^2} |w_k|^2 ##
where ##w_k## is the mode function?
Cosmology books and papers just states that it is defined that way but there are no details on why.
##P(k) = \frac{k^3}{2π^2} |w_k|^2 ##
where ##w_k## is the mode function?
Cosmology books and papers just states that it is defined that way but there are no details on why.