{"total":15,"items":[{"citing_arxiv_id":"2606.31430","ref_index":24,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"One Feature, Three Clocks: Phase-Locked Gravitational Waves, Primordial Black Holes, and Non-Gaussianity from Periodic Warm Inflation","primary_cat":"astro-ph.CO","submitted_at":"2026-06-30T09:54:36+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Periodic warm inflation imprints one log-periodic feature on the curvature spectrum that saturates asteroid-mass PBHs, generates dual-band GW backgrounds, and offsets the bispectrum phase by a quarter cycle fixed by spectral running.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2606.28310","ref_index":47,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Constraining primordial oscillations and inflationary particle production with Planck, ACT DR6, and DESI DR2","primary_cat":"astro-ph.CO","submitted_at":"2026-06-26T17:54:48+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Using combined CMB and LSS observations, the analysis sets 95% CL upper limits on oscillatory amplitudes at approximately 2% of A_s and a MAP value of 0.034 for the particle production coupling constant, finding no statistical preference for the extended models.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2606.28172","ref_index":17,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Searching for primordial features with radio surveys: synergy between the power spectrum and bispectrum","primary_cat":"astro-ph.CO","submitted_at":"2026-06-26T15:04:26+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Joint power spectrum and bispectrum analysis from future HI intensity mapping surveys improves constraints on primordial feature amplitudes by 30-40% and achieves percent-level precision on oscillation frequencies when combined with CMB measurements.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"spectra [2, 3, 10-48] and, more recently, large-scale structure (LSS) clustering [49-52], no statisti- cally compelling detection has been claimed to date. However, the search for primordial physics is not limited to two-point correlators. Many physical mechanisms generating oscillatory features in the power spectrum simultaneously induce specific, correlated non-Gaussian signatures in the bis- pectrum [17, 53-56]. For instance, sharp or resonance feature scenarios predict a non-trivial scale dependence of the non-Gaussianity shape, where the bispectrum amplitude oscillates with a phase and frequency strictly related to those appearing in the power spectrum, potentially accompanied by a running of the amplitude. Consequently, a joint analysis of the power spectrum and bispectrum"},{"citing_arxiv_id":"2606.09994","ref_index":35,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"On the potential of pseudo-scalar dark energy","primary_cat":"astro-ph.CO","submitted_at":"2026-06-08T18:00:04+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"Extended analysis constrains pseudo-scalar dark energy potentials using expansion history and cosmic birefringence, finding quadratic, linear, and Ratra-Peebles forms viable near GUT scale while axion-like requires large anomaly coefficient.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2606.06900","ref_index":54,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Inverse-Scattering Reconstruction of Inflation from Scalar and Tensor Primordial Spectra","primary_cat":"astro-ph.CO","submitted_at":"2026-06-05T04:32:13+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"An inverse-scattering method reconstructs inflationary potentials from primordial power spectra using Jost functions derived from the Mukhanov-Sasaki equation.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.30236","ref_index":20,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Signals from the early Universe: a comprehensive search for primordial features in Planck CMB datasets","primary_cat":"astro-ph.CO","submitted_at":"2026-05-28T17:07:16+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"Systematic re-analysis of Planck PR3 and PR4 CMB datasets finds local fit improvements of up to Δχ² ≈ -15 for certain oscillatory templates but no global significance above 2.6σ after look-elsewhere correction and Bayesian penalties.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.19336","ref_index":28,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Recombination Thickness as an Uncertainty in Inflationary Observables","primary_cat":"astro-ph.CO","submitted_at":"2026-05-19T04:19:44+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Finite recombination thickness introduces Gaussian smoothing in ln k to the primordial power spectrum, producing non-trivial differences between TT and EE spectral indices that may be detectable in future CMB data.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.10197","ref_index":4,"ref_count":2,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Controlled Penumbral Inflation from Monodromic Valleys","primary_cat":"hep-ph","submitted_at":"2026-05-11T08:46:27+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Derives conditions on branch parameters for controlled inflationary plateaus in penumbral monodromic valleys, with an exactly solvable family targeting r ~ 10^{-3} and alpha_s ~ -r/2.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"Introduction.-Axion monodromy remains one of the clearest routes to parametrically long inflationary tra- jectories in string theory [1-3]. The decisive obstruc- tion is no longer field range alone. A long valley may still fail because heavy-sector backreaction, canonical dis- tance, or loss of adiabaticity destroys the single-clock de- scription [4, 5]. F-term constructions, hierarchy analyses, universal axion backreaction, four-form descriptions, and large-distance EFT studies established how monodromy reshapes potentials and exposes UV sensitivity [6-16]. Hyperbolic attractors explain why logarithmic canonical variables generate plateau-like observables [17-21]. The decisive need for top-down work is a local discrimina-"},{"citing_arxiv_id":"2604.13674","ref_index":25,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Axion Inflation from Heavy-Fermion One-Loop Effects","primary_cat":"hep-ph","submitted_at":"2026-04-15T09:53:27+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"One-loop integration of a heavy fermion with inflaton-dependent mass in axion inflation generates localized gauge-field production and a detectable chiral gravitational-wave signal in the deci-hertz range.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"McGreevy, and J. G. Wacker, N-flation, JCAP08, 003, arXiv:hep- th/0507205. [23] R. Easther and L. McAllister, Random matrices and the spectrum of N-flation, JCAP05, 018, arXiv:hep- th/0512102. [24] L. McAllister, E. Silverstein, and A. Westphal, Grav- ity Waves and Linear Inflation from Axion Monodromy, Phys. Rev. D82, 046003 (2010), arXiv:0808.0706 [hep- th]. [25] R. Flauger, L. McAllister, E. Pajer, A. Westphal, and G. Xu, Oscillations in the CMB from Axion Monodromy Inflation, JCAP06, 009, arXiv:0907.2916 [hep-th]. [26] M. M. Anber and L. Sorbo, Naturally inflating on steep potentials through electromagnetic dissipation, Phys. Rev. D81, 043534 (2010), arXiv:0908.4089 [hep-th]. [27] N. Kaloper and L. Sorbo, A Natural Framework for"},{"citing_arxiv_id":"2511.00152","ref_index":108,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Every Wrinkle Carries A Memory: An Integro-differential Bootstrap for Features in Cosmological Correlators","primary_cat":"hep-th","submitted_at":"2025-10-31T18:00:12+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":8.0,"formal_verification":"none","one_line_summary":"Derives integro-differential boundary equations from bulk locality for scale-breaking cosmological correlators with oscillating heavy-field masses and solves them analytically and numerically to reveal enhanced collider signals.","context_count":1,"top_context_role":"background","top_context_polarity":"unclear","context_text":"Functions in Resonant Inflation,2508.19240. [106] D. Baumann, C. Duaso Pueyo, A. Joyce, H. Lee and G.L. Pimentel,The cosmological bootstrap: weight-shifting operators and scalar seeds,JHEP12(2020) 204 [1910.14051]. [107] R. Flauger, L. McAllister, E. Silverstein and A. Westphal,Drifting Oscillations in Axion Monodromy,JCAP10(2017) 055 [1412.1814]. [108] E. Silverstein and A. Westphal,Monodromy in the CMB: Gravity Waves and String Inflation,Phys. Rev. D78(2008) 106003 [0803.3085]. [109] R. Flauger, L. McAllister, E. Pajer, A. Westphal and G. Xu,Oscillations in the CMB from Axion Monodromy Inflation,JCAP06(2010) 009 [0907.2916]. [110] L. McAllister, E. Silverstein and A. Westphal,Gravity Waves and Linear Inflation from"},{"citing_arxiv_id":"2508.08359","ref_index":104,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"A Compact Story of Positivity in de Sitter","primary_cat":"hep-th","submitted_at":"2025-08-11T18:00:01+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Compares two methods to resolve disagreements and prove positivity of anomalous dimensions for principal series fields coupled to compact scalar operators in de Sitter space.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2412.05762","ref_index":24,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"The UV Sensitivity of Axion Monodromy Inflation","primary_cat":"hep-th","submitted_at":"2024-12-07T23:32:01+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"In a string-inspired two-field axion monodromy model, oscillatory modulations excite heavy moduli during inflation, producing detectable cosmological collider signals in the primordial bispectrum that bypass Boltzmann suppression.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2411.07970","ref_index":90,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"MUltiplexed Survey Telescope (MUST) Science White Paper I: Overview of Large-Scale Structure Cosmology in the Era of Stage-V Spectroscopic Surveys","primary_cat":"astro-ph.CO","submitted_at":"2024-11-12T17:51:21+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"MUST is a planned 6.5m Stage-V spectroscopic survey telescope targeting 100M+ galaxies and quasars to z~5.5 for large-scale structure cosmology studies.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"by MUST by extracting the primordial scalar power spec- trum from the LSS data. However, due to the near-scale in- variance of the scalar fluctuation at large scales, the infor- mation extractable from the power spectrum is limited, al- though there have been ongoing efforts in searching and un- derstanding tiny scale-dependent (and very often oscillatory) features in the power spectrum [90, 91]. On the other hand, a vast amount of information can be revealed by going to highern-point (n≥3) correlations of scalar modes, which are traditionally known as primordial non-Gaussianity (PNG; [92,93]). There is in principle fruitful information encoded in the PNG, though historically, many efforts have been made to the search of 3-point statistics, such as bispectraB(k 1,k 2,k 3)"},{"citing_arxiv_id":"2109.01398","ref_index":275,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Scalar induced gravitational waves review","primary_cat":"gr-qc","submitted_at":"2021-09-03T09:44:21+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":2.0,"formal_verification":"none","one_line_summary":"A review that unifies analytical expressions for scalar-induced gravitational waves and emphasizes calculations for non-radiation-dominated cosmologies.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"1907.04473","ref_index":122,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"CMB-S4 Science Case, Reference Design, and Project Plan","primary_cat":"astro-ph.IM","submitted_at":"2019-07-10T01:01:01+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":3.0,"formal_verification":"none","one_line_summary":"Presents the science case, reference design, and project plan for the CMB-S4 ground-based CMB experiment.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"large-field inflation, which could lead to non-trivial features in the bispectrum. For example, in models in which the inflaton is an axion, there is an approximate discrete shift symmetry [118, 119, 120] that naturally lead to periodic features in the bispectrum. Often these models predict counterparts in the power spectrum where the associated features are expected to be detected first [121], but this need not be the case [122]. An attempt has been made [17] to look for resonant and local features in the bispectrum; however, at present, these models have not yet been constrained systematically. Correlators including at least one B mode will benefit significantly from the improved sensitivity of CMB-S4. In particular, the three point correlation ⟨R(k1)R(k2)γλ(k3)⟩ can be constrained using⟨BT T⟩,⟨BT E⟩ and"}],"limit":50,"offset":0}