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Arxiv New Filter | Bookmarks & clubs | Arxiv ref/author:

CAMB: massive neutrino
 
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Dahee Lee



Joined: 16 Apr 2018
Posts: 8
Affiliation: Kyungpook National University

PostPosted: June 03 2018  Reply with quote

Hello.
I'm beginner in camb.
I have just simple question.
For example, density perturbation of photon is y(EV%g_ix), CDM is y(3), baryon is y(4), massless neutrino is y(EV%r_ix).
But I can't find density perturbation of massive neutrino.
How can I get that?
Or How can I get total neutrino density perturbation?

Any help would be appreciated.
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Antony Lewis



Joined: 23 Sep 2004
Posts: 1351
Affiliation: University of Sussex

PostPosted: June 04 2018  Reply with quote

The massive neutrino density perturbation is calculated e.g. as clxnu in equations.f90 (search for EV%OutputTransfer(Transfer_nu) ), and in the matter transfer function outputs file. You can also get this easily from the python interface.
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