REVIEW 3 major objections 4 minor 9 cited by
Robust Preference for Dark Sector Interactions
T0 review · 3 major / 4 minor · reviewed 2026-08-03 · deepseek-v4-flash
Pith's one-line read DESI's deviations from standard cosmology can be explained by dark matter–dark energy interactions at 3–5 sigma, matching or beating evolving-dark-energy fits without requiring a time-varying equation of state.
desk verdict CQ is a credible CPL rival; the CF half of the 'robust both-scenarios' claim sits in a corner that structure-growth data would likely reject. read the letter →
The pith
A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.
The reading
What carries the argument
The load-bearing tool is a unified parameterization of IDE perturbations, in which the energy and momentum transfer rates are written as linear combinations of the density and velocity perturbations of the two dark components, with model-specific mapping coefficients. This lets both the coupled-quintessence and coupled-fluid scenarios be evolved with the same treatment. For the coupled fluid, the extended parameterized post-Friedmann (ePPF) framework replaces the ill-defined large-scale pressure condition with a parametrized momentum relation, preventing the instabilities that normally plague constant-equation-of-state interacting fluids. The same number of free parameters as the CPL paramet
What would settle it
Include weak-lensing and galaxy-clustering measurements in the same MCMC analysis. The coupled-fluid model predicts S8≈0.68, while current lensing data cluster near S8≈0.76–0.82; if adding those data pulls the coupled-fluid posterior back toward ΛCDM, or worsens its Δχ² enough to remove the preference, then the paper's claim that both interacting models robustly beat ΛCDM at 3–5 sigma is falsified.
Extended reading notes
Core claim
On the paper's own terms, the central discovery is that the apparent DESI preference for dynamical dark energy is not unique. Two interacting dark-energy (IDE) realizations—coupled quintessence, defined at the Lagrangian level, and a phenomenological coupled fluid with a constant equation of state—both produce a background expansion that departs from ΛCDM in the redshift range probed by BAO and supernovae while fitting the data at least as well as CPL. The authors report that the coupling parameter is constrained away from zero at roughly 3–5 sigma, that the coupled fluid model gives the largest improvement over ΛCDM in both Δχ² and DIC, and that the preference survives the DES-Dovekie recal
Load-bearing premise
The claim depends on the perturbation framework being reliable for the coupled-fluid model in the exact region the data prefer (w≈-1.5, Ωm≈0.6, σ8≈0.48), while weak-lensing and galaxy-clustering data that would directly test that region are omitted from the analysis.
Editorial extensions
If this is right
- If the paper is right, the DESI BAO deviations can be explained without introducing a time-dependent dark-energy equation of state; an interaction between dark matter and dark energy is a viable alternative.
- The coupled-quintessence model achieves its fit while remaining quintessence-like at all redshifts, so a phantom-crossing equation of state is not required by the data.
- The coupled-fluid model predicts a distinctive structure-formation signature: low σ8 and S8 (about 0.48 and 0.68) with high matter density, meaning future weak-lensing and galaxy-clustering data can directly discriminate it from ΛCDM and CPL.
- Even after the supernova recalibration that weakens dynamical-dark-energy evidence, the interaction preference persists, so the result is not an artifact of a single supernova compilation.
- Because the background distances are highly degenerate between IDE and CPL, distinguishing the paradigms requires perturbation-level observations rather than more distance measurements.
Reading between the lines
- I infer that the paper's two-model claim is not symmetric: the coupled-fluid model lives in a corner of parameter space (w≈-1.5, Ωm≈0.6, S8≈0.68) that existing weak-lensing measurements would likely penalize, so its competitive fit may degrade once those data are included.
- I infer the strongest near-term test is not better BAO or supernova distances but structure growth: measuring S8 and the growth rate at z<1 should separate the coupled-fluid model from ΛCDM and from coupled quintessence.
- I draw a non-obvious consequence: if future data favor an interacting scenario, coupled quintessence offers a less radical cosmology (H0 and Ωm close to ΛCDM) than the coupled fluid, so the two IDE realizations have very different implications for the Hubble tension and matter clustering.
- I infer from the parameter correlations that the model rankings are partly driven by the lowest-redshift supernova bin; a systematic shift in that anchor would likely reorder CPL, CQ, and CF.
Editorial analysis
A structured set of objections, weighed in public.
Referee Report
Summary. The paper uses CMB (Planck+ACT+SPT), DESI DR2 BAO, and three SN compilations (PantheonPlus, DESY5, DES-Dovekie) to constrain two interacting dark-energy models: coupled quintessence (CQ) and a phenomenological coupled fluid (CF). The authors report a robust preference for non-vanishing dark-sector interactions at the 3–5σ level in both models, with fit quality comparable to or better than the CPL dynamical-dark-energy parametrization for the same number of free parameters. They use profile-likelihood checks to argue that the interaction signal is likelihood-driven, and they emphasize that the preference survives the DES-Dovekie recalibration that weakens the CPL evidence. The CF model achieves its best fits only in an extreme parameter region (Ωm≈0.6, σ8≈0.48, w≈−1.5), a point the authors acknowledge.
Significance. The CQ analysis is a potentially significant contribution: it shows that a Lagrangian-based interacting dark-energy model with the same number of parameters as CPL can reproduce the DESI-driven preference for deviations from ΛCDM, with a profile-likelihood minimum away from β=0 and consistent results across several SN compilations. The paper also includes careful methodological choices, such as sampling H0 and computing θ* numerically rather than using the Hu–Sugiyama approximation, and it makes model-comparison tables transparent. However, the headline claim that 'both IDE scenarios' show robust evidence depends critically on the CF model, whose extreme parameter region is supported by an ePPF perturbation treatment that is not cross-validated and whose low S8 prediction is in tension with existing weak-lensing and galaxy-clustering data. As presented, the CF result is not yet on the same evidential footing as the CQ result.
major comments (3)
- [Supplementary Sec. I; Table IV] The ePPF framework is asserted to 'effectively eliminate the instability while preserving accurate small-scale dynamics' (Supplementary Sec. I), but no validation is shown for the CF best-fit region: Table IV gives w≈−1.4 to −1.6, β≈−2.3 to −3.1, Ωm≈0.6, σ8≈0.48. This is far from the ΛCDM-like regime in which such approximate perturbation schemes are normally calibrated. Because CF provides the largest Δχ² and ΔDIC improvements in Table II, the central claim that 'both' IDE models robustly beat ΛCDM rests on the reliability of ePPF in this untested phantom/strong-coupling regime. A cross-check against a full perturbation solver, or at least a demonstration that the conclusions are insensitive to the ePPF closure, is needed.
- [Supplementary Sec. III; Table II] The paper explicitly states that a comprehensive assessment against weak-lensing and LSS measurements is beyond its scope, but the CF model predicts S8≈0.68 (σ8≈0.48) with Ωm≈0.6 (Table IV), values that are in strong tension with current galaxy-lensing and clustering data. Since CF is the model that gives the best Δχ² and ΔDIC in Table II, the broad claim that interacting dark energy is statistically competitive with CPL and “robustly” preferred over ΛCDM is conditional on a scenario whose growth predictions appear to conflict with existing probes. Please include representative WL/LSS likelihoods (e.g., DES Y3, KiDS, or an equivalent) or explicitly restrict the robustness claim to the CQ model.
- [Fig. 2 (lower panel); text near profile-likelihood discussion] The lower panel of Fig. 2 plots Δχ² only over β∈[−4,−1.5]. This range excludes β=0, the non-interacting ΛCDM limit. The accompanying text states that the CF profile likelihood is 'significantly displaced from the non-interacting limit,' but the plotted curve does not show Δχ² at β=0 and therefore does not directly support a significance claim for CF. Please extend the x-axis to β=0 or explicitly report Δχ²(β=0) for the CF model. Without this, the profile-likelihood argument against prior-volume effects is incomplete for the CF scenario.
minor comments (4)
- [Conclusion] The conclusion says the marginalized constraints and profile likelihood reach 'the 5σ level.' Table I shows that 5σ is reached for CQ, but for CF the significance varies by dataset (e.g., β=−2.37±0.82 for CMB+DESI is roughly 3σ). Please be precise about which model and dataset support which significance.
- [Fig. 7 caption and Supplementary Sec. III text] The caption states the CQ panel is on the right and the CF panel on the left, but the text in Supplementary Sec. III refers to 'the left panel of Fig. 7' in the CQ discussion. Please correct this cross-reference or the panel ordering.
- [Fig. 5] The binned distance-modulus residuals would be easier to interpret if the error bars on the bins were shown explicitly, or if the binning prescription were stated in the caption; currently the visual weight per point is unclear.
- [Abstract and Sec. 1] The phrase 'robust evidence for non-vanishing interactions at the 3–5σ level' is used before the CF caveats are introduced. Consider stating in the abstract that the CF scenario lives in an extreme corner of parameter space and that its viability depends on perturbation physics and structure-growth data.
Circularity Check
No circular reduction: fits are likelihood-driven against external public data; self-reliance on IDECAMB/ePPF is a tool-dependence caveat, not a definitional loop.
full rationale
The claimed results — non-zero coupling β, the CF model's extreme corner (w≈-1.5, Ωm≈0.6, σ8≈0.48), and the Δχ²/DIC comparisons — are all outputs of MCMC fits to external Planck/ACT/SPT/DESI/SN likelihoods, not quantities defined in terms of each other. The CQ and CF perturbation equations and the ePPF mapping are computational frameworks imported from the authors' prior work (refs [115,118]); the CF stability claim and its low-σ8 signature depend on that framework, and the authors explicitly defer weak-lensing/LSS validation: 'A comprehensive assessment of the viability of this scenario in light of WL and LSS measurements is therefore beyond the scope of the present work' (Supplementary Sec. III). This is a validation/robustness limitation, not a circular reduction: no fitted parameter is renamed as a prediction, and no equation reduces to its input by construction (e.g., σ8 is derived from the fitted model, not fitted to σ8 data). The self-citation is real but methodological; the central comparative claim retains independent statistical content. Score 2 reflects the minor self-reliance on IDECAMB/ePPF, not actual circularity.
Assumptions & free parameters
free parameters (4)
- β (CQ coupling) =
0.0527 ± 0.0087 (CMB+DESI+DES-Dovekie)
- α (CQ inverse power-law exponent) =
0.46 ± 0.18 (Dovekie); <0.39 (CMB+DESI only)
- w (CF dark-energy EoS) =
-1.52 ± 0.16 (Dovekie)
- β (CF coupling) =
-2.59 +0.76/-0.62 (Dovekie)
assumptions (7)
- standard math FLRW background and linear scalar perturbations with standard metric potentials.
- domain assumption Dark sector energy-momentum tensors are not separately conserved; exchange is described by Qμ (Eq. 1).
- domain assumption CQ: DM mass depends on scalar field as m(ϕ)∝e^{-β√κϕ} and potential U(ϕ)=U0(√κϕ)^{-α}.
- domain assumption CF: DE is a perfect fluid with constant w and interaction Q=βH0ρ_de.
- domain assumption The perturbation mappings Eqs. (2)-(3) with the stated C_i, D_i coefficients reproduce the CQ and CF perturbation dynamics.
- domain assumption The extended parameterized post-Friedmann (ePPF) framework removes large-scale instabilities while preserving small-scale dynamics in CF.
- ad hoc to paper Flat priors over the ranges in Table III, including β_CQ∈[0,0.15] and α∈[0,1.4], β_CF∈[-5,1], w∈[-3,1].
Cite this review
Pith. "Pith review of Robust Preference for Dark Sector Interactions." pith.science (2026). https://pith.science/paper/JOLIOAJ3
@misc{pith2026260107361,
author = {Pith},
title = {Pith review of: Robust Preference for Dark Sector Interactions},
year = {2026},
howpublished = {\url{https://pith.science/paper/JOLIOAJ3}},
note = {Machine review of arXiv:2601.07361}
}
abstract
Recent DESI baryon acoustic oscillation data reveal deviations from $\Lambda$CDM cosmology, conventionally attributed to dynamical dark energy (DE). We demonstrate that these deviations are equally, if not better, explained by interactions between dark matter and dark energy (IDE), without requiring a time-varying DE equation of state. Using a unified framework, we analyze two IDE models - coupled quintessence and coupled fluid - against the latest CMB (Planck, ACT, SPT), DESI BAO, and SN (including DES-Dovekie recalibrated) data. Both IDE scenarios show robust evidence for non-vanishing interactions at the 3-5$\sigma$ level, with marginalized constraints significantly deviating from the $\Lambda$CDM limit. This preference persists even under DES-Dovekie SN recalibration, which weakens dynamical DE evidence. Crucially, for the same number of free parameters, IDE models provide fits to low- and high-redshift data that match or exceed the performance of the CPL dynamical DE parametrization. Our results establish IDE as a physically motivated alternative to dynamical DE, highlighting the necessity of future cosmological perturbation measurements (e.g., weak lensing, galaxy clustering) to distinguish between these paradigms.
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Forward citations
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Reference graph
Works this paper leans on
-
[1]
M. Abdul Karimet al.(DESI), Phys. Rev. D112, 083515 (2025), arXiv:2503.14738 [astro-ph.CO]
arXiv 2025
-
[2]
M. Chevallier and D. Polarski, Int. J. Mod. Phys. D10, 213 (2001), arXiv:gr-qc/0009008
arXiv 2001
-
[3]
E. V. Linder, Phys. Rev. Lett.90, 091301 (2003), arXiv:astro-ph/0208512
arXiv 2003
-
[4]
K. Lodhaet al.(DESI), Phys. Rev. D112, 083511 (2025), arXiv:2503.14743 [astro-ph.CO]
arXiv 2025
-
[5]
Popovicet al.(DES), (2025), arXiv:2511.07517 [astro-ph.CO]
B. Popovicet al.(DES), (2025), arXiv:2511.07517 [astro-ph.CO]
arXiv 2025
-
[6]
A. G. Adameet al.(DESI), JCAP02, 021 (2025), arXiv:2404.03002 [astro-ph.CO]
arXiv 2025
-
[7]
Guet al.(DESI), Nature Astron.9, 1879 (2025), arXiv:2504.06118 [astro-ph.CO]
G. Guet al.(DESI), Nature Astron.9, 1879 (2025), arXiv:2504.06118 [astro-ph.CO]
arXiv 2025
-
[8]
M. Cortês and A. R. Liddle, JCAP12, 007 (2024), arXiv:2404.08056 [astro-ph.CO]
arXiv 2024
Show all 163 references
-
[9]
Shlivko and P
D. Shlivko and P. J. Steinhardt, Phys. Lett. B855, 138826 (2024), arXiv:2405.03933 [astro-ph.CO]
2024 arXiv
-
[10]
Luongo and M
O. Luongo and M. Muccino, Astron. Astrophys.690, A40 (2024), arXiv:2404.07070 [astro-ph.CO]
2024 arXiv
-
[11]
I. D. Gialamas, G. Hütsi, K. Kannike, A. Racioppi, M. Raidal, M. Vasar, and H. Veermäe, Phys. Rev. D 111, 043540 (2025), arXiv:2406.07533 [astro-ph.CO]
2025 arXiv
- [12]
-
[13]
G. Ye, M. Martinelli, B. Hu, and A. Silvestri, Phys. Rev. Lett.134, 181002 (2025), arXiv:2407.15832 [astro- ph.CO]
2025 arXiv
-
[14]
Tada and T
Y. Tada and T. Terada, Phys. Rev. D109, L121305 (2024), arXiv:2404.05722 [astro-ph.CO]
2024 arXiv
-
[15]
Lodhaet al.(DESI), Phys
K. Lodhaet al.(DESI), Phys. Rev. D111, 023532 (2025), arXiv:2405.13588 [astro-ph.CO]
2025 arXiv
-
[16]
Bhattacharya, G
S. Bhattacharya, G. Borghetto, A. Malhotra, S. Parameswaran, G. Tasinato, and I. Zavala, JCAP09, 073 (2024), arXiv:2405.17396 [astro-ph.CO]
2024 arXiv
-
[17]
O. F. Ramadan, J. Sakstein, and D. Rubin, Phys. Rev. D110, L041303 (2024), arXiv:2405.18747 [astro- ph.CO]
2024 arXiv
-
[18]
Malekjani, Z
M. Malekjani, Z. Davari, and S. Pourojaghi (DESI), Phys. Rev. D111, 083547 (2025), arXiv:2407.09767 [astro-ph.CO]
2025 arXiv
-
[19]
Giarè, M
W. Giarè, M. Najafi, S. Pan, E. Di Valentino, and J. T. Firouzjaee, JCAP10, 035 (2024), arXiv:2407.16689 [astro-ph.CO]
2024 arXiv
-
[20]
Rebouças, D
J. Rebouças, D. H. F. de Souza, K. Zhong, V. Mi- randa, and R. Rosenfeld, JCAP02, 024 (2025), arXiv:2408.14628 [astro-ph.CO]
2025 arXiv
-
[21]
C.-G.Park, J.deCruzPérez, andB.Ratra,Int.J.Mod. Phys. D34, 2550058 (2025), arXiv:2410.13627 [astro- ph.CO]
2025 arXiv
-
[22]
Li, Y.-H
T.-N. Li, Y.-H. Li, G.-H. Du, P.-J. Wu, L. Feng, J.-F. Zhang, and X. Zhang, Eur. Phys. J. C85, 608 (2025), arXiv:2411.08639 [astro-ph.CO]
2025 arXiv
-
[23]
Jiang, D
J.-Q. Jiang, D. Pedrotti, S. S. da Costa, and S. Vagnozzi, Phys. Rev. D110, 123519 (2024), arXiv:2408.02365 [astro-ph.CO]
2024 arXiv
-
[24]
Y. Yang, X. Ren, Q. Wang, Z. Lu, D. Zhang, Y.-F. Cai, and E. N. Saridakis, Sci. Bull.69, 2698 (2024), arXiv:2404.19437 [astro-ph.CO]
2024 arXiv
-
[25]
Li, G.-H
T.-N. Li, G.-H. Du, S.-H. Zhou, Y.-H. Li, J.-F. Zhang, and X. Zhang, (2025), arXiv:2511.22512 [astro-ph.CO]
2025
-
[26]
W. J. Wolf, C. García-García, T. Anton, and P. G. Ferreira, Phys. Rev. Lett.135, 081001 (2025), arXiv:2504.07679 [astro-ph.CO]
2025 arXiv
-
[27]
A. J. Shajib and J. A. Frieman, Phys. Rev. D112, 063508 (2025), arXiv:2502.06929 [astro-ph.CO]
2025 arXiv
-
[28]
Giarè, T
W. Giarè, T. Mahassen, E. Di Valentino, and S. Pan, Phys. Dark Univ.48, 101906 (2025), arXiv:2502.10264 [astro-ph.CO]
2025 arXiv
-
[29]
Chaussidonet al., Phys
E. Chaussidonet al., Phys. Rev. D112, 063548 (2025), arXiv:2503.24343 [astro-ph.CO]
2025 arXiv
-
[30]
Y.-H. Pang, X. Zhang, and Q.-G. Huang, Sci. China Phys. Mech. Astron.68, 280410 (2025), arXiv:2503.21600 [astro-ph.CO]
2025 arXiv
-
[31]
Roy Choudhury, Astrophys
S. Roy Choudhury, Astrophys. J. Lett.986, L31 (2025), arXiv:2504.15340 [astro-ph.CO]
2025
-
[32]
Paliathanasis, Phys
A. Paliathanasis, Phys. Dark Univ.48, 101956 (2025), arXiv:2502.16221 [astro-ph.CO]
2025
-
[33]
Scherer, M
M. Scherer, M. A. Sabogal, R. C. Nunes, and A. De Fe- lice, Phys. Rev. D112, 043513 (2025), arXiv:2504.20664 [astro-ph.CO]
2025 arXiv
- [34]
-
[35]
T. Liu, X. Li, and J. Wang, Astrophys. J.988, 243 (2025), arXiv:2504.21373 [astro-ph.CO]
2025
-
[36]
E. M. Teixeira, W. Giarè, N. B. Hogg, T. Montandon, A. Poudou, and V. Poulin, Phys. Rev. D112, 023515 (2025), arXiv:2504.10464 [astro-ph.CO]
2025 arXiv
-
[37]
Specogna, S
E. Specogna, S. A. Adil, E. Ozulker, E. Di Valentino, R. C. Nunes, O. Akarsu, and A. A. Sen, (2025), arXiv:2504.17859 [gr-qc]
2025 arXiv
-
[38]
Cheng, E
H. Cheng, E. Di Valentino, L. A. Escamilla, A. A. Sen, andL.Visinelli,JCAP09,031(2025),arXiv:2505.02932 [astro-ph.CO]
2025
- [39]
-
[40]
Özülker, E
E. Özülker, E. Di Valentino, and W. Giarè, (2025), arXiv:2506.19053 [astro-ph.CO]
2025 arXiv
-
[41]
A. N. Ormondroyd, W. J. Handley, M. P. Hobson, and A. N. Lasenby, (2025), arXiv:2503.17342 [astro-ph.CO]
2025 arXiv
-
[42]
Silva and R
E. Silva and R. C. Nunes, JCAP11, 078 (2025), arXiv:2507.13989 [astro-ph.CO]
2025
-
[43]
Ishak and L
M. Ishak and L. Medina-Varela, (2025), arXiv:2507.22856 [astro-ph.CO]
2025
-
[44]
Fazzari, W
E. Fazzari, W. Giarè, and E. Di Valentino, Astro- phys. J. Lett.996, L5 (2026), arXiv:2509.16196 [astro- ph.CO]
2026
- [45]
-
[46]
Cheng, E
H. Cheng, E. Di Valentino, and L. Visinelli, (2025), arXiv:2505.22066 [astro-ph.CO]
2025 arXiv
-
[47]
Y. Cai, X. Ren, T. Qiu, M. Li, and X. Zhang, (2025), arXiv:2505.24732 [astro-ph.CO]
2025 arXiv
-
[48]
Song, G.-H
J.-Y. Song, G.-H. Du, T.-N. Li, L.-F. Wang, J.-Z. Qi, J.-F. Zhang, and X. Zhang, (2025), arXiv:2511.12017 [astro-ph.CO]
2025
-
[49]
Li and S
J.-X. Li and S. Wang, Eur. Phys. J. C85, 1308 (2025), arXiv:2506.22953 [astro-ph.CO]
2025
-
[50]
D. H. Lee, W. Yang, E. Di Valentino, S. Pan, and C. van de Bruck, (2025), arXiv:2507.11432 [astro- ph.CO]
2025
-
[51]
Wu, T.-N
P.-J. Wu, T.-N. Li, G.-H. Du, and X. Zhang, (2025), 8 arXiv:2509.02945 [astro-ph.CO]
2025
-
[52]
F. B. M. d. Santos, J. Morais, S. Pan, W. Yang, and E. Di Valentino, (2025), arXiv:2504.04646 [astro- ph.CO]
2025 arXiv
-
[53]
Khoury, M.-X
J. Khoury, M.-X. Lin, and M. Trodden, Phys. Rev. Lett.135, 181001 (2025), arXiv:2503.16415 [astro- ph.CO]
2025
-
[54]
Li and X
Y.-H. Li and X. Zhang, JCAP12, 018 (2025), arXiv:2506.18477 [astro-ph.CO]
2025
-
[55]
D. A. Kessler, L. A. Escamilla, S. Pan, and E. Di Valentino, (2025), arXiv:2504.00776 [astro- ph.CO]
2025 arXiv
-
[56]
Smith, E
A. Smith, E. Özülker, E. Di Valentino, and C. van de Bruck, (2025), arXiv:2510.21931 [astro-ph.CO]
2025
- [57]
-
[58]
B. Wang, E. Abdalla, F. Atrio-Barandela, and D. Pavon, Rept. Prog. Phys.79, 096901 (2016), arXiv:1603.08299 [astro-ph.CO]
2016 arXiv
-
[59]
Bettoni and S
D. Bettoni and S. Liberati, Phys. Rev. D88, 084020 (2013), arXiv:1306.6724 [gr-qc]
2013 arXiv
-
[60]
Zumalacárregui and J
M. Zumalacárregui and J. García-Bellido, Phys. Rev. D 89, 064046 (2014), arXiv:1308.4685 [gr-qc]
2014 arXiv
-
[61]
Gubitosi, F
G. Gubitosi, F. Piazza, and F. Vernizzi, JCAP02, 032 (2013), arXiv:1210.0201 [hep-th]
2013 arXiv
-
[62]
Frusciante and L
N. Frusciante and L. Perenon, Phys. Rept.857, 1 (2020), arXiv:1907.03150 [astro-ph.CO]
2020 arXiv
-
[63]
B. Wang, E. Abdalla, F. Atrio-Barandela, and D. Pavón, Rept. Prog. Phys.87, 036901 (2024), arXiv:2402.00819 [astro-ph.CO]
2024 arXiv
-
[64]
Zhang, H
J. Zhang, H. Liu, and X. Zhang, Phys. Lett. B659, 26 (2008), arXiv:0705.4145 [astro-ph]
2008 arXiv
-
[65]
Salvatelli, A
V. Salvatelli, A. Marchini, L. Lopez-Honorez, and O. Mena, Phys. Rev. D88, 023531 (2013), arXiv:1304.7119 [astro-ph.CO]
2013 arXiv
-
[66]
Li, J.-F
Y.-H. Li, J.-F. Zhang, and X. Zhang, Phys. Rev. D93, 023002 (2016), arXiv:1506.06349 [astro-ph.CO]
2016 arXiv
-
[67]
Murgia, S
R. Murgia, S. Gariazzo, and N. Fornengo, JCAP04, 014 (2016), arXiv:1602.01765 [astro-ph.CO]
2016 arXiv
-
[68]
Kumar and R
S. Kumar and R. C. Nunes, Phys. Rev. D96, 103511 (2017), arXiv:1702.02143 [astro-ph.CO]
2017 arXiv
-
[69]
Di Valentino, A
E. Di Valentino, A. Melchiorri, and O. Mena, Phys. Rev. D96, 043503 (2017), arXiv:1704.08342 [astro- ph.CO]
2017 arXiv
-
[70]
Di Valentino, Mon
E. Di Valentino, Mon. Not. Roy. Astron. Soc.502, 2065 (2021), arXiv:2011.00246 [astro-ph.CO]
-
[71]
Gao, Z.-W
L.-Y. Gao, Z.-W. Zhao, S.-S. Xue, and X. Zhang, JCAP 07, 005 (2021), arXiv:2101.10714 [astro-ph.CO]
2021 arXiv
-
[72]
Pan and W
S. Pan and W. Yang, (2023), 10.1007/978-981-99-0177- 7_29, arXiv:2310.07260 [astro-ph.CO]
2023 arXiv
-
[73]
Forconi, W
M. Forconi, W. Giarè, O. Mena, Ruchika, E. Di Valentino, A. Melchiorri, and R. C. Nunes, JCAP05, 097 (2024), arXiv:2312.11074 [astro-ph.CO]
2024 arXiv
-
[74]
Pourtsidou and T
A. Pourtsidou and T. Tram, Phys. Rev. D94, 043518 (2016), arXiv:1604.04222 [astro-ph.CO]
2016 arXiv
-
[75]
R. C. Nunes and E. Di Valentino, Phys. Rev. D104, 063529 (2021), arXiv:2107.09151 [astro-ph.CO]
2021 arXiv
-
[76]
Wang, J.-H
L.-F. Wang, J.-H. Zhang, D.-Z. He, J.-F. Zhang, and X. Zhang, Mon. Not. Roy. Astron. Soc.514, 1433 (2022), arXiv:2102.09331 [astro-ph.CO]
2022 arXiv
-
[77]
Lucca and D
M. Lucca and D. C. Hooper, Phys. Rev. D102, 123502 (2020), arXiv:2002.06127 [astro-ph.CO]
2020 arXiv
-
[78]
Y. Zhai, W. Giarè, C. van de Bruck, E. Di Valentino, O. Mena, and R. C. Nunes, JCAP07, 032 (2023), arXiv:2303.08201 [astro-ph.CO]
2023 arXiv
-
[79]
Becker, D
N. Becker, D. C. Hooper, F. Kahlhoefer, J. Lesgour- gues, and N. Schöneberg, JCAP02, 019 (2021), arXiv:2010.04074 [astro-ph.CO]
2021 arXiv
-
[80]
G. A. Hoerning, R. G. Landim, L. O. Ponte, R. P. Rolim, F. B. Abdalla, and E. Abdalla, Phys. Rev. D 112, 023523 (2025), arXiv:2308.05807 [astro-ph.CO]
2025 arXiv
-
[81]
van de Bruck, Phys
W.Giarè, Y.Zhai, S.Pan, E.DiValentino, R.C.Nunes, and C. van de Bruck, Phys. Rev. D110, 063527 (2024), arXiv:2404.02110 [astro-ph.CO]
2024 arXiv
-
[82]
L. A. Escamilla, O. Akarsu, E. Di Valentino, and J. A. Vazquez, JCAP11, 051 (2023), arXiv:2305.16290 [astro-ph.CO]
2023 arXiv
-
[83]
Di Valentino, A
E. Di Valentino, A. Melchiorri, O. Mena, and S. Vagnozzi, Phys. Dark Univ.30, 100666 (2020), arXiv:1908.04281 [astro-ph.CO]
2020 arXiv
-
[84]
Li, P.-J
T.-N. Li, P.-J. Wu, G.-H. Du, S.-J. Jin, H.-L. Li, J.- F. Zhang, and X. Zhang, Astrophys. J.976, 1 (2024), arXiv:2407.14934 [astro-ph.CO]
2024 arXiv
-
[85]
Halder, J
S. Halder, J. de Haro, T. Saha, and S. Pan, Phys. Rev. D109, 083522 (2024), arXiv:2403.01397 [gr-qc]
2024 arXiv
-
[86]
Castello, M
S. Castello, M. Mancarella, N. Grimm, D. Sobral- Blanco, I. Tutusaus, and C. Bonvin, JCAP05, 003 (2024), arXiv:2311.14425 [astro-ph.CO]
2024 arXiv
-
[87]
Yao and X.-H
Y.-H. Yao and X.-H. Meng, Phys. Dark Univ.39, 101165 (2023), arXiv:2207.05955 [astro-ph.CO]
2023 arXiv
-
[88]
Li, S.-J
T.-N. Li, S.-J. Jin, H.-L. Li, J.-F. Zhang, and X. Zhang, Astrophys. J.963, 52 (2024), arXiv:2310.15879 [astro- ph.CO]
2024 arXiv
-
[89]
K. R. Mishra, S. K. J. Pacif, R. Kumar, and K. Bamba, Phys. Dark Univ.40, 101211 (2023), arXiv:2301.08743 [gr-qc]
2023 arXiv
-
[90]
R. C. Nunes, S. Pan, and E. N. Saridakis, Phys. Rev. D94, 023508 (2016), arXiv:1605.01712 [astro-ph.CO]
2016 arXiv
-
[91]
Silva, M
E. Silva, M. A. Sabogal, M. Scherer, R. C. Nunes, E. Di Valentino, and S. Kumar, Phys. Rev. D111, 123511 (2025), arXiv:2503.23225 [astro-ph.CO]
2025 arXiv
-
[92]
van der Westhuizen, A
M. van der Westhuizen, A. Abebe, and E. Di Valentino, Phys. Dark Univ.50, 102121 (2025), arXiv:2509.04496 [gr-qc]
2025
-
[93]
Zhang, T.-N
Y.-M. Zhang, T.-N. Li, G.-H. Du, S.-H. Zhou, L.- Y. Gao, J.-F. Zhang, and X. Zhang, (2025), arXiv:2510.12627 [astro-ph.CO]
2025 arXiv
-
[94]
Wang, R.-G
J.-Q. Wang, R.-G. Cai, Z.-K. Guo, and S.-J. Wang, (2025), arXiv:2508.01759 [astro-ph.CO]
2025 arXiv
-
[95]
Li, G.-H
T.-N. Li, G.-H. Du, Y.-H. Li, Y. Li, J.-L. Ling, J.-F. Zhang, and X. Zhang, (2025), arXiv:2510.11363 [astro- ph.CO]
2025
-
[96]
Li, G.-H
T.-N. Li, G.-H. Du, Y.-H. Li, P.-J. Wu, S.-J. Jin, J.-F. Zhang, and X. Zhang, Sci. China Phys. Mech. Astron. 69, 210413 (2026), arXiv:2501.07361 [astro-ph.CO]
2026
-
[97]
Lyu, R.-G
Z.-H. Lyu, R.-G. Cai, S.-J. Wang, and X.-X. Zeng, (2025), arXiv:2511.16244 [astro-ph.CO]
2025 arXiv
-
[98]
W. Yang, S. Zhang, O. Mena, S. Pan, and E. Di Valentino, (2025), arXiv:2508.19109 [astro- ph.CO]
2025 arXiv
-
[99]
S. Pan, S. Paul, E. N. Saridakis, and W. Yang, (2025), arXiv:2504.00994 [astro-ph.CO]
2025
-
[100]
L. P. Chimento, A. S. Jakubi, D. Pavon, and W. Zim- dahl, Phys. Rev. D67, 083513 (2003), arXiv:astro- ph/0303145
2003
- [101]
-
[102]
Zhang, Phys
X. Zhang, Phys. Lett. B611, 1 (2005), arXiv:astro- 9 ph/0503075
2005
-
[103]
Dutta, W
J. Dutta, W. Khyllep, and N. Tamanini, Phys. Rev. D 95, 023515 (2017), arXiv:1701.00744 [gr-qc]
2017 arXiv
-
[104]
W. Yang, S. Pan, E. Di Valentino, R. C. Nunes, S. Vagnozzi, and D. F. Mota, JCAP09, 019 (2018), arXiv:1805.08252 [astro-ph.CO]
2018 arXiv
-
[105]
Guo, J.-F
R.-Y. Guo, J.-F. Zhang, and X. Zhang, JCAP02, 054 (2019), arXiv:1809.02340 [astro-ph.CO]
2019 arXiv
-
[106]
Feng, D.-Z
L. Feng, D.-Z. He, H.-L. Li, J.-F. Zhang, and X. Zhang, Sci. China Phys. Mech. Astron.63, 290404 (2020), arXiv:1910.03872 [astro-ph.CO]
2020 arXiv
-
[107]
Li, J.-F
H.-L. Li, J.-F. Zhang, and X. Zhang, Commun. Theor. Phys.72, 125401 (2020), arXiv:2005.12041 [astro- ph.CO]
2020 arXiv
-
[108]
Gao, S.-S
L.-Y. Gao, S.-S. Xue, and X. Zhang, Chin. Phys. C48, 051001 (2024), arXiv:2212.13146 [astro-ph.CO]
2024 arXiv
-
[109]
Di Valentino, O
E. Di Valentino, O. Mena, S. Pan, L. Visinelli, W. Yang, A. Melchiorri, D. F. Mota, A. G. Riess, and J. Silk, Class. Quant. Grav.38, 153001 (2021), arXiv:2103.01183 [astro-ph.CO]
2021 arXiv
- [110]
-
[111]
Giarè, M
W. Giarè, M. A. Sabogal, R. C. Nunes, and E. Di Valentino, Phys. Rev. Lett.133, 251003 (2024), arXiv:2404.15232 [astro-ph.CO]
2024 arXiv
- [112]
-
[113]
Pettorino and C
V. Pettorino and C. Baccigalupi, Phys. Rev. D77, 103003 (2008), arXiv:0802.1086 [astro-ph]
2008 arXiv
-
[114]
Wetterich, Lect
C. Wetterich, Lect. Notes Phys.892, 57 (2015), arXiv:1402.5031 [astro-ph.CO]
2015 arXiv
- [115]
- [116]
-
[117]
A. P. Billyard and A. A. Coley, Phys. Rev. D61, 083503 (2000), arXiv:astro-ph/9908224
2000 arXiv
-
[118]
Li, J.-F
Y.-H. Li, J.-F. Zhang, and X. Zhang, Phys. Rev. D90, 063005 (2014), arXiv:1404.5220 [astro-ph.CO]
2014 arXiv
-
[119]
Lewis, A
A. Lewis, A. Challinor, and A. Lasenby, Astrophys. J. 538, 473 (2000), arXiv:astro-ph/9911177
2000 arXiv
-
[120]
Torrado and A
J. Torrado and A. Lewis, JCAP05, 057 (2021), arXiv:2005.05290 [astro-ph.IM]
2021 arXiv
-
[121]
Efstathiou and S
G. Efstathiou and S. Gratton, (2019), 10.21105/as- tro.1910.00483, arXiv:1910.00483 [astro-ph.CO]
2019 arXiv
-
[122]
E.Rosenberg, S.Gratton, andG.Efstathiou,Mon.Not. Roy. Astron. Soc.517, 4620 (2022), arXiv:2205.10869 [astro-ph.CO]
2022 arXiv
-
[123]
Louiset al.(Atacama Cosmology Telescope), JCAP 11, 062 (2025), arXiv:2503.14452 [astro-ph.CO]
T. Louiset al.(Atacama Cosmology Telescope), JCAP 11, 062 (2025), arXiv:2503.14452 [astro-ph.CO]
2025 arXiv
-
[124]
Camphuiset al.(SPT-3G), (2025), arXiv:2506.20707 [astro-ph.CO]
E. Camphuiset al.(SPT-3G), (2025), arXiv:2506.20707 [astro-ph.CO]
2025 arXiv
-
[125]
F. J. Quet al.(SPT-3G, ACT), (2025), arXiv:2504.20038 [astro-ph.CO]
2025
-
[126]
Carron, M
J. Carron, M. Mirmelstein, and A. Lewis, JCAP09, 039 (2022), arXiv:2206.07773 [astro-ph.CO]
2022 arXiv
-
[127]
F. J. Quet al.(ACT), Astrophys. J.962, 112 (2024), arXiv:2304.05202 [astro-ph.CO]
2024 arXiv
-
[128]
M. S. Madhavacherilet al.(ACT), Astrophys. J.962, 113 (2024), arXiv:2304.05203 [astro-ph.CO]
2024 arXiv
-
[129]
Broutet al., Astrophys
D. Broutet al., Astrophys. J.938, 110 (2022), arXiv:2202.04077 [astro-ph.CO]
2022 arXiv
-
[130]
T. M. C. Abbottet al.(DES), Astrophys. J. Lett.973, L14 (2024), arXiv:2401.02929 [astro-ph.CO]
2024 arXiv
-
[131]
Pettorino, L
V. Pettorino, L. Amendola, C. Baccigalupi, and C. Quercellini, Phys. Rev. D86, 103507 (2012), arXiv:1207.3293 [astro-ph.CO]
2012 arXiv
-
[132]
Pettorino, Phys
V. Pettorino, Phys. Rev. D88, 063519 (2013), arXiv:1305.7457 [astro-ph.CO]
2013 arXiv
-
[133]
Clemson, K
T. Clemson, K. Koyama, G.-B. Zhao, R. Maartens, and J. Valiviita, Phys. Rev. D85, 043007 (2012), arXiv:1109.6234 [astro-ph.CO]
2012 arXiv
-
[134]
Majerotto, J
E. Majerotto, J. Valiviita, and R. Maartens, Nucl. Phys. B Proc. Suppl.194, 260 (2009)
2009
- [135]
-
[136]
Verde, T
L. Verde, T. Treu, and A. G. Riess, Nature Astron.3, 891 (2019), arXiv:1907.10625 [astro-ph.CO]
2019 arXiv
-
[137]
Di Valentinoet al., Astropart
E. Di Valentinoet al., Astropart. Phys.131, 102605 (2021), arXiv:2008.11284 [astro-ph.CO]
2021 arXiv
-
[138]
Perivolaropoulos and F
L. Perivolaropoulos and F. Skara, New Astron. Rev.95, 101659 (2022), arXiv:2105.05208 [astro-ph.CO]
2022 arXiv
-
[139]
Schöneberg, G
N. Schöneberg, G. Franco Abellán, A. Pérez Sánchez, S. J. Witte, V. Poulin, and J. Lesgourgues, Phys. Rept. 984, 1 (2022), arXiv:2107.10291 [astro-ph.CO]
2022 arXiv
-
[140]
P. Shah, P. Lemos, and O. Lahav, Astron. Astrophys. Rev.29, 9 (2021), arXiv:2109.01161 [astro-ph.CO]
2021 arXiv
-
[141]
Abdallaet al., JHEAp34, 49 (2022), arXiv:2203.06142 [astro-ph.CO]
E. Abdallaet al., JHEAp34, 49 (2022), arXiv:2203.06142 [astro-ph.CO]
2022 arXiv
-
[142]
Di Valentino, Universe8, 399 (2022)
E. Di Valentino, Universe8, 399 (2022)
2022
-
[143]
Kamionkowski and A
M. Kamionkowski and A. G. Riess, Ann. Rev. Nucl. Part. Sci.73, 153 (2023), arXiv:2211.04492 [astro- ph.CO]
2023 arXiv
-
[144]
Giarè, (2023), 10.1007/978-981-99-0177-7_36, arXiv:2305.16919 [astro-ph.CO]
W. Giarè, (2023), 10.1007/978-981-99-0177-7_36, arXiv:2305.16919 [astro-ph.CO]
2023 arXiv
-
[145]
Hu and F.-Y
J.-P. Hu and F.-Y. Wang, Universe9, 94 (2023), arXiv:2302.05709 [astro-ph.CO]
2023 arXiv
-
[146]
Di Valentinoet al.(CosmoVerse Network), Phys
E. Di Valentinoet al.(CosmoVerse Network), Phys. Dark Univ.49, 101965 (2025), arXiv:2504.01669 [astro- ph.CO]
2025 arXiv
-
[147]
Vagnozzi, Phys
S. Vagnozzi, Phys. Rev. D102, 023518 (2020), arXiv:1907.07569 [astro-ph.CO]
2020 arXiv
-
[148]
Vagnozzi, Universe9, 393 (2023), arXiv:2308.16628 [astro-ph.CO]
S. Vagnozzi, Universe9, 393 (2023), arXiv:2308.16628 [astro-ph.CO]
2023 arXiv
-
[149]
Loverde and Z
M. Loverde and Z. J. Weiner, JCAP12, 048 (2024), arXiv:2410.00090 [astro-ph.CO]
2024 arXiv
-
[150]
E. Ó. Colgáin and M. M. Sheikh-Jabbari, Mon. Not. Roy. Astron. Soc.542, L24 (2025), arXiv:2412.12905 [astro-ph.CO]
2025 arXiv
-
[151]
Elberset al., Phys
W. Elberset al., Phys. Rev. D112, 083513 (2025), arXiv:2503.14744 [astro-ph.CO]
2025 arXiv
-
[152]
G. P. Lynch and L. Knox, Phys. Rev. D112, 083543 (2025), arXiv:2503.14470 [astro-ph.CO]
2025 arXiv
-
[153]
Sailer, G
N. Sailer, G. S. Farren, S. Ferraro, and M. White, (2025), arXiv:2504.16932 [astro-ph.CO]
2025
-
[154]
Jhaveri, T
T. Jhaveri, T. Karwal, and W. Hu, Phys. Rev. D112, 043541 (2025), arXiv:2504.21813 [astro-ph.CO]
2025 arXiv
-
[155]
Du, P.-J
G.-H. Du, P.-J. Wu, T.-N. Li, and X. Zhang, Eur. Phys. J. C85, 392 (2025), arXiv:2407.15640 [astro-ph.CO]
2025 arXiv
-
[156]
N.Craig, D.Green, J.Meyers, andS.Rajendran,JHEP 09, 097 (2024), arXiv:2405.00836 [astro-ph.CO]
2024 arXiv
-
[157]
Naredo-Tuero, M
D. Naredo-Tuero, M. Escudero, E. Fernández-Martínez, X. Marcano, and V. Poulin, Phys. Rev. D110, 123537 (2024), arXiv:2407.13831 [astro-ph.CO]
2024 arXiv
-
[158]
Green and J
D. Green and J. Meyers, Phys. Rev. D111, 083507 (2025), arXiv:2407.07878 [astro-ph.CO]
2025 arXiv
-
[159]
Elbers, C
W. Elbers, C. S. Frenk, A. Jenkins, B. Li, and S. Pas- coli,Phys.Rev.D111,063534(2025),arXiv:2407.10965 10 [astro-ph.CO]
2025 arXiv
-
[160]
Du, T.-N
G.-H. Du, T.-N. Li, P.-J. Wu, L. Feng, S.-H. Zhou, J.-F. Zhang, and X. Zhang, (2025), arXiv:2501.10785 [astro- ph.CO]
2025
-
[161]
Giarè, O
W. Giarè, O. Mena, E. Specogna, and E. Di Valentino, Phys. Rev. D112, 103520 (2025), arXiv:2507.01848 [astro-ph.CO]
2025
-
[162]
Du, T.-N
G.-H. Du, T.-N. Li, P.-J. Wu, J.-F. Zhang, and X. Zhang, (2025), arXiv:2507.16589 [astro-ph.CO]
2025 arXiv
-
[163]
Zhou, T.-N
S.-H. Zhou, T.-N. Li, G.-H. Du, J.-Q. Jiang, J.-F. Zhang, andX.Zhang,Phys.Rev.D112,123532(2025), arXiv:2509.10836 [astro-ph.CO]. 11 Supplementary Material I. THEORETICAL METHOD Here, we describe in detail the calculation methods for the CQ and CF scenarios. At the background l...
2025
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