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Observational signature of sign of cosmological perturbations?
 
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Kevin J Ludwick



Joined: 17 Apr 2015
Posts: 4
Affiliation: University of Virginia

PostPosted: April 20 2015  Reply with quote

Hello,

As far as I know, all observational evidence for cosmological perturbations comes from the CMB power spectrum, which goes like δ2. Are there any observational signatures that would indicate the sign of δ?

Thanks for any help,
Kevin
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