Table 1
Table of models tested in this paper.
| Model | Section |
|
|
|
| ΛCDM ............................................... | Planck Collaboration XIII (2016) |
|
|
|
| Background parameterizations | |
| w ............................................... | Planck Collaboration XIII (2016) |
| w0, wa ......................................... | Sect. 5.1.1: Figs. 3−5 |
| w higher order expansion ......................... | Sect. 5.1.1 |
| 1-parameter w(a) ................................... | Sect. 5.1.2: Fig. 6 |
| w PCA ............................................... | Sect. 5.1.3: Fig. 7 |
| ϵs, ζs, ϵ∞ ....................... | Sect. 5.1.4: Figs. 8, 9 |
| Early DE ............................................... | Sect. 5.1.5: Figs. 10, 11 |
|
|
|
| Perturbation parameterizations | |
| EFT exponential ............................................... | Sect. 5.2.1: Fig. 12 |
| EFT linear ............................................... | Sect. 5.2.1: Fig. 13 |
| μ,η scale-independent: ............................ | |
| DE-related ............................................... | Sect. 5.2.2: Figs. 1, 14−17 |
| time related ............................................... | Sect. 5.2.2: Figs. 14, 16 |
| μ,η scale-dependent: ................................ | |
| DE-related ............................................... | Sect. 5.2.2: Fig. 18 |
| time related ............................................... | Sect. 5.2.2 |
|
|
|
| Other particular examples | |
| DE sound speed and k-essence ........................ | Sect. 5.3.1 |
| Equation of state approach: ............................... | |
| Lorentz-violating massive gravity ................ | Sect. 5.3.2 |
| Generalized scalar fields ................................. | Sect. 5.3.2 |
| f(R) ............................................... | Sect. 5.3.3: Figs. 19, 20 |
| Coupled DE ............................................... | Sect. 5.3.4: Figs. 21, 22 |
Notes. We have tested all models for the combinations: Planck, Planck+BSH, Planck+WL, Planck+BAO/RSD and Planck+WL+BAO/RSD. Throughout the text, unless otherwise specified, Planck refers to the baseline Planck TT+lowP combination. The effects of CMB lensing and Planck TT,TE,EE polarization have been tested on all runs above and are, in particular, used to constrain the amount of DE at early times.
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