{"total":14,"items":[{"citing_arxiv_id":"2607.01937","ref_index":50,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Neutron stars with primary scalar hair","primary_cat":"gr-qc","submitted_at":"2026-07-02T09:32:10+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"Neutron stars with primary scalar hair in a DHOST subfamily are more compact than GR predictions and develop singularities above a critical scalar charge threshold.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2606.23734","ref_index":7,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Removing Ostrogradsky modes in multi-field higher-order scalar-tensor theories","primary_cat":"gr-qc","submitted_at":"2026-06-20T19:01:08+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"Derives primary degeneracy matrix conditions, antisymmetric consistency conditions from constraint preservation, and a final rank condition sufficient to ensure quadratic multi-field higher-derivative scalar-tensor theories propagate only 2+N degrees of freedom without extra Ostrogradsky modes.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2606.20730","ref_index":6,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Scalar-scalar-tensor interaction in DHOST theories","primary_cat":"gr-qc","submitted_at":"2026-06-17T08:46:05+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Derives the cubic scalar-scalar-tensor interaction action for perturbations in quadratic DHOST theories on cosmological backgrounds.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2606.07467","ref_index":148,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Stochastic scalar-tensor inflation and beyond","primary_cat":"gr-qc","submitted_at":"2026-06-05T17:20:22+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"Extends the stochastic inflation formalism to a wide class of scalar-tensor theories by mapping EFT of dark energy coefficients to stochastic equations of motion.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2606.05212","ref_index":48,"ref_count":2,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Effective Constrained Scalar--Gauss--Bonnet Inflation Motivated by $f(R,\\mathcal{G})$ Gravity","primary_cat":"physics.gen-ph","submitted_at":"2026-05-27T07:47:08+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"An effective constrained scalar-Gauss-Bonnet inflation model yields n_s ≃ 0.958 and r ≃ 2.7×10^{-4} while the exact theory has no propagating scalar degree of freedom.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.12606","ref_index":99,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Radio sirens: inferring $H_0$ with binary black holes and neutral hydrogen in the era of the Einstein Telescope and the SKA Observatory","primary_cat":"astro-ph.CO","submitted_at":"2026-05-12T18:00:16+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Using simulated binary black hole mergers and neutral hydrogen maps, the radio sirens method constrains H0 to 8% precision with 3000 high-SNR events, offering a 90% improvement over standard dark siren analyses.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"obtained from the redshift assuming our injected cosmology as in Tab. 1. parameter units prior prior range 𝑚1 𝑀⊙ Uniform[5,300] 𝑚2 𝑀⊙ Uniform[5,300] 𝑧 [Mpc] Uniform in source-frame + Madau-Dickinson (+Hi) [0,∼3] 𝜃𝐽 𝑁 [rad] Sine[0, 𝜋] Dec [rad] Cosine[ − 𝜋 2 ,+ 𝜋 2 ] RA [rad] Uniform[0,2𝜋] 𝜙 [rad] Uniform[0,2𝜋] Ψ [rad] Uniform[0, 𝜋] 𝑡𝑐 [s] Delta0. 𝑎1 - Uniform[0,0.99] 𝑎2 - Uniform[0,0.99] tilt1 [rad] Sine[0, 𝜋] tilt2 [rad] Sine[0, 𝜋] phi12 [rad] Uniform[0,2𝜋] phi𝐽 𝐿 [rad] Uniform[0,2𝜋] total number of ET detections. For this reason, the catalog contains fewer events than would be expected in a fully realistic one-year ET forecast (e.g.Branchesietal.2023;Abacetal.2026),butitisbetter matched to the science target of this study."},{"citing_arxiv_id":"2605.04154","ref_index":62,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"A Master Equation for Screening in Luminal Horndeski Gravity","primary_cat":"gr-qc","submitted_at":"2026-05-05T18:00:07+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"A master screening equation is derived for luminal Horndeski gravity that recovers Vainshtein and Chameleon mechanisms and introduces Phaedrus screening with screening radius scaling linearly with source mass.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"of the non-linear matter power spectrum for general models of Dark Energy and Modified Gravity,\"Mon. Not. Roy. Astron. Soc.519(2023) no. 3, 4780-4800, arXiv:2210.01094 [astro-ph.CO]. [61] A. Aviles, J. L. Cervantes-Cota, and D. F. Mota, \"Screenings in Modified Gravity: a perturbative approach,\"Astron. Astrophys.622(2019) A62,arXiv:1810.02652 [astro-ph.CO]. [62] G. W. Horndeski, \"Second-order scalar-tensor field equations in a four-dimensional space,\"Int. J. Theor. Phys.10(1974) 363-384. [63] C. Deffayet, X. Gao, D. A. Steer, and G. Zahariade, \"From k-essence to generalised Galileons,\"Phys. Rev.D84(2011) 064039,arXiv:1103.3260 [hep-th]. [64] T. Kobayashi, M. Yamaguchi, and J. Yokoyama, \"Generalized G-inflation: Inflation with the most general"},{"citing_arxiv_id":"2604.14490","ref_index":91,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Spatially covariant gravity with two degrees of freedom: A perturbative analysis up to cubic order","primary_cat":"gr-qc","submitted_at":"2026-04-16T00:00:07+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Five explicit polynomial spatially covariant gravity Lagrangians up to total derivative order three are identified that propagate only two degrees of freedom up to cubic order in perturbations around a cosmological background.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2603.23564","ref_index":50,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Energy conditions of bouncing solutions in quadratic curvature gravity coupled with a scalar field","primary_cat":"gr-qc","submitted_at":"2026-03-24T07:53:46+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"Bouncing solutions in quadratic curvature gravity with a scalar field satisfy null, weak, and dominant energy conditions but violate the strong one when using the scalar-field energy-momentum tensor, while all four conditions are violated near the bounce in the effective tensor formulation.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2602.16237","ref_index":44,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Rotating Black Holes with Primary Scalar Hair: Shadow Signatures in Beyond Horndeski Gravity","primary_cat":"gr-qc","submitted_at":"2026-02-18T07:27:05+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"Rotating black holes with primary scalar hair in beyond Horndeski gravity produce shadows whose diameter increases for negative Q and whose distortion increases for positive Q, with EHT bounds on M87* restricting but not ruling out the (a, Q) parameter space.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2512.08972","ref_index":32,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Degenerate higher-order scalar-tensor theories in metric-affine gravity","primary_cat":"gr-qc","submitted_at":"2025-12-02T15:03:51+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"A metric-affine version of quadratic DHOST theories is derived and reduced to a one-function family that satisfies degeneracy conditions and light-speed gravitational wave propagation.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2503.05651","ref_index":42,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Inverting no-hair theorems: How requiring General Relativity solutions restricts scalar-tensor theories","primary_cat":"gr-qc","submitted_at":"2025-03-07T18:15:05+00:00","verdict":"ACCEPT","verdict_confidence":"MODERATE","novelty_score":7.0,"formal_verification":"none","one_line_summary":"Requiring stealth Schwarzschild and de Sitter solutions in quadratic/cubic scalar-tensor theories eliminates odd-parity deviations from GR when all solutions are required, while allowing some deviations and non-trivial GW speeds in less restrictive cases.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"1906.09299","ref_index":113,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Noncanonical Approaches To Inflation","primary_cat":"gr-qc","submitted_at":"2019-06-21T19:25:20+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":3.0,"formal_verification":"none","one_line_summary":"A review thesis covering Mukhanov parametrization, general scalar-tensor theories, and new slow-roll techniques for canonical and noncanonical inflation observables.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"Scalar-tensor theories The two approaches described above can be extended to general theo- ries of modified gravity. In general, any modification of GR will introduce new degrees of freedom, from which a scalar field can be identified as the inflaton. Currently, the most general scalar-tensor theories are the so-called Horndeski [109-112] and beyond Horndeski [113-120] theories of gravity. These are fully characterized by a few functions,Gi(φ, X), coupled to the Ricci and Einstein tensors and to derivatives of the field. Therefore, any choice of these functions will inevitably introduce new phenomenology to the inflationary evolution. Historically, the first successful model of inflation was due to Starobin- sky [121]."},{"citing_arxiv_id":"1807.06209","ref_index":149,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Planck 2018 results. VI. Cosmological parameters","primary_cat":"astro-ph.CO","submitted_at":"2018-07-17T04:05:07+00:00","verdict":"ACCEPT","verdict_confidence":"MODERATE","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Final Planck CMB data confirms the flat 6-parameter ΛCDM model with Ω_c h² = 0.120 ± 0.001, Ω_b h² = 0.0224 ± 0.0001, n_s = 0.965 ± 0.004, τ = 0.054 ± 0.007, H_0 = 67.4 ± 0.5 km/s/Mpc, and no strong evidence for extensions.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null}],"limit":50,"offset":0}