Timeline for How to extract the "matter fluctuation amplitude" from the CMB power spectrum?
Current License: CC BY-SA 4.0
10 events
| when toggle format | what | by | license | comment | |
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| Apr 15 at 9:48 | history | edited | Qmechanic♦ | CC BY-SA 4.0 |
edited title
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| Apr 15 at 9:24 | comment | added | Quillo | This is a very useful resource background.uchicago.edu/~whu/transfer/transferpage.html (based on arxiv.org/abs/astro-ph/9709112 and arxiv.org/abs/astro-ph/9710252 ). | |
| Apr 15 at 8:23 | comment | added | Sten | I don't recall the details of the Eisenstein & Hu transfer function, but generally I would favor a numerical Boltzmann solver for this, either CLASS or CAMB (the Planck collaboration uses CAMB). | |
| Apr 15 at 8:10 | comment | added | Sten | What growth function are you using? | |
| Apr 15 at 7:32 | comment | added | Quillo | Closely related: Formula to Compute $\sigma_8$ for correction in non-linear regime | |
| Apr 15 at 7:27 | history | edited | Quillo | CC BY-SA 4.0 |
added 31 characters in body; edited title
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| Apr 15 at 7:13 | comment | added | Quillo | Useful, worth checking: physics.stackexchange.com/q/155508/226902 physics.stackexchange.com/q/746224/226902 physics.stackexchange.com/q/104198/226902 physics.stackexchange.com/q/28546/226902 | |
| Apr 15 at 7:09 | history | edited | Quillo | CC BY-SA 4.0 |
The analysis needed is based on the Fourier transform and its power spectrum, as in signal processing (this is why the tags have been added). I added the link to the abstract of the paper
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| S Apr 15 at 6:47 | review | First questions | |||
| Apr 15 at 6:51 | |||||
| S Apr 15 at 6:47 | history | asked | Finerichmen | CC BY-SA 4.0 |