Density Perturbations: Relation to c/H & Scale Invariance

Join the discussion
Registration is free. Ask a follow-up in this thread, or start your own.
Sign up Log in
1 reply · 1K views
Discman
Messages
36
Reaction score
0
Why have the density perturbations of all lengths a relation to the constant radius c/H? I suppose this is the origin for scale invariance and gaussianity.
 
Astronomy news on Phys.org
Discman said:
Why have the density perturbations of all lengths a relation to the constant radius c/H? I suppose this is the origin for scale invariance and gaussianity.
Can you be more specific? To what relation are you referring?