Fisher matrix for the one-loop galaxy power spectrum: measuring expansion and growth rates without assuming a cosmological model
We introduce a methodology to extend the Fisher matrix forecasts to mildly non-linear scales without the need of selecting a cosmological model. We make use of standard non-linear perturbation theory for biased tracers complemented by counterterms, and assume that the cosmological distances can be m...
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| Main Authors: | , , |
|---|---|
| Format: | Article (Journal) |
| Language: | English |
| Published: |
14 November 2022
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| In: |
Journal of cosmology and astroparticle physics
Year: 2022, Issue: 11, Pages: 1-31 |
| ISSN: | 1475-7516 |
| DOI: | 10.1088/1475-7516/2022/11/023 |
| Online Access: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1088/1475-7516/2022/11/023 Verlag, lizenzpflichtig, Volltext: https://dx.doi.org/10.1088/1475-7516/2022/11/023 
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| Author Notes: | Luca Amendola, Massimo Pietroni and Miguel Quartin |
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Fisher matrix for the one-loop galaxy power spectrum: measuring expansion and growth rates without assuming a cosmological model
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