{"total":15,"items":[{"citing_arxiv_id":"2605.18286","ref_index":14,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Primary gravitational waves at high frequencies II: Emergence of the exponential cut-off in the power spectrum","primary_cat":"astro-ph.CO","submitted_at":"2026-05-18T12:15:02+00:00","verdict":"CONDITIONAL","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"For infinitely differentiable effective potentials describing the post-inflation transition, the regularized power spectrum of primary gravitational waves exhibits exponential suppression at small scales.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.14044","ref_index":153,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"The Magnetic Origin of Primordial Black Holes: Ultralight PBHs and Secondary GWs","primary_cat":"astro-ph.CO","submitted_at":"2026-05-13T19:06:49+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Inflationary magnetic fields induce curvature perturbations that form ultralight PBHs, generating a stochastic GW background with model-specific features.","context_count":1,"top_context_role":"background","top_context_polarity":"unclear","context_text":"A. Starobinsky, JETP Lett.30, 682 (1979). [150] L. P. Grishchuk, Zh. Eksp. Teor. Fiz.67, 825 (1974). [151] M. C. Guzzetti, N. Bartolo, M. Liguori, and S. Matarrese, Riv. Nuovo Cim.39, 399 (2016), arXiv:1605.01615 [astro- ph.CO]. [152] M. R. Haque, D. Maity, T. Paul, and L. Sriramkumar, Phys. Rev. D104, 063513 (2021), arXiv:2105.09242 [astro-ph.CO]. [153] H. Di and Y. Gong, JCAP07, 007 (2018), arXiv:1707.09578 [astro-ph.CO]. [154] S. Balaji, G. Domenech, and J. Silk, JCAP09, 016 (2022), arXiv:2205.01696 [astro-ph.CO]. [155] V. Mukhanov, H. Feldman, and R. Brandenberger, Physics Reports215, 203 (1992). [156] W. Hu, Phys. Rev. D89, 123503 (2014). [157] A. Chakraborty, S. Maiti, and D. Maity, Phys. Rev."},{"citing_arxiv_id":"2605.09571","ref_index":14,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Einstein-Cartan pseudoscalaron inflation, reheating and nonthermal leptogenesis","primary_cat":"astro-ph.CO","submitted_at":"2026-05-10T14:34:44+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Einstein-Cartan pseudoscalaron inflation coupled to type-I seesaw neutrinos makes nonthermal leptogenesis a necessary mechanism for the baryon asymmetry, yielding ns ~ 0.97, r ~ 0.004 and nB/s ~ 8.7e-11 for gamma ~ -1/100 and lightest Majorana mass ~ 10^13 GeV.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"Brandenberger, \"Theory of cosmological perturbations. Part 1. Classical perturbations. Part 2. Quantum theory of perturbations. Part 3. Extensions,\" Phys. Rept.215, 203-333 (1992). [13] For a comprehensive review on inflationary perturbations see: A. Riotto, \"Inflation and the theory of cosmological perturbations,\" ICTP Lect. Notes Ser.14, 317-413 (2003) [arxiv:hep- ph/0210162 [hep-ph]]. [14] For a complete review on GW production during inflation see: M. C. Guzzetti, N. Bartolo, M. Liguori and S. Matarrese, \"Gravitational waves from inflation,\" Riv. Nuovo Cim.39, no.9, 399-495 (2016) [arxiv:1605.01615 [astro-ph.CO]]. [15] P. J. Steinhardt and M. S. Turner, \"A Prescription for Successful New Inflation,\" Phys. Rev. D29(1984), 2162-2171"},{"citing_arxiv_id":"2605.02882","ref_index":8,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Tracing Primordial Gravitational Waves via non-Gaussian Signatures of Halo Bias","primary_cat":"astro-ph.CO","submitted_at":"2026-05-04T17:51:45+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"Tensor-induced non-Gaussianity from primordial gravitational waves generates a unique scale-dependent halo bias correction that can reach order-one amplitude for rare high-redshift halos at z=7.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"B115, 189 (1982). [3] A. H. GuthPhys. Rev. D23, 347 (1981). [4] A. D. LindePhys. Lett. B108, 389 (1982). [5] A. Albrecht and P. J. SteinhardtPhys. Rev. Lett.48, 1220 (1982). [6] M. MaggiorePhys. Rept.331, 283 (2000), arXiv:gr- qc/9909001. [7] M. Kamionkowski and E. D. KovetzAnn. Rev. 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Nuovo Cim.39, 399 (2016), arXiv:1605.01615 [astro-ph.CO] . [6] M. Giovannini, Phys. Rev. D58, 083504 (1998), arXiv:hep-ph/9806329 . [7] M. Giovannini, Phys. Rev. D60, 123511 (1999), arXiv:astro-ph/9903004 . [8] A. Riazuelo and J.-P. Uzan, Phys. Rev. D62, 083506 (2000), arXiv:astro-ph/0004156 . [9] N. Seto and J. Yokoyama, J. Phys. Soc. Jap.72, 3082 (2003), arXiv:gr-qc/0305096 . [10] L. A. Boyle and A. Buonanno, Phys."},{"citing_arxiv_id":"2604.08493","ref_index":3,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Probing non-Gaussianity during reheating with SIGW in the LISA band","primary_cat":"astro-ph.CO","submitted_at":"2026-04-09T17:34:23+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"Non-standard reheating imprints detectable features on SIGW spectra via non-Gaussianity, with dynamics that can suppress or boost the signal amplitude for LISA.","context_count":1,"top_context_role":"other","top_context_polarity":"unclear","context_text":"2(x2 −1) 1/2 \u00131/2 1 2 \u0010 x+ √ x2 −1 \u00112 . (E.5) Further properties can be found in [122]. References [1] C. Caprini and D.G. Figueroa,Cosmological Backgrounds of Gravitational Waves,Class. Quant. Grav.35(2018) 163001 [1801.04268]. [2] T. Regimbau,The astrophysical gravitational wave stochastic background,Res. Astron. Astrophys.11(2011) 369 [1101.2762]. [3] M.C. Guzzetti, N. Bartolo, M. Liguori and S. Matarrese,Gravitational waves from inflation, Riv. Nuovo Cim.39(2016) 399 [1605.01615]. [4]NANOGravcollaboration,The NANOGrav 15 yr Data Set: Evidence for a Gravitational-wave Background,Astrophys. J. Lett.951(2023) L8 [2306.16213]. [5]NANOGravcollaboration,The NANOGrav 15 yr Data Set: Observations and Timing of 68"},{"citing_arxiv_id":"2604.07878","ref_index":60,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"The deci-Hz gravitational wave signal from the collapse of rotating very massive stars","primary_cat":"astro-ph.HE","submitted_at":"2026-04-09T06:49:02+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"Collapse of a rotating 300 solar mass star produces a strong, characteristic deci-Hz gravitational wave signal potentially detectable to 200 Mpc at a rate of 0.5 per year.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2512.14670","ref_index":1,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"A universal scaling law for gravitational waves induced during inflation","primary_cat":"astro-ph.CO","submitted_at":"2025-12-16T18:33:44+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Induced gravitational waves during inflation obey a universal tensor spectral index formula that yields near scale-invariance for slow-roll expansion regardless of the source field's original spectrum.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2512.08116","ref_index":5,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Universality in quasinormal modes of a magnetized black hole","primary_cat":"gr-qc","submitted_at":"2025-12-08T23:42:03+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"A critical scalar field charge in a magnetized black hole produces universal QNM power-law scaling with exponent ~1/2, marking a confined-to-deconfined transition.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2512.03959","ref_index":14,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Primary gravitational waves at high frequencies I: Origin of suppression in the power spectrum","primary_cat":"astro-ph.CO","submitted_at":"2025-12-03T16:52:22+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Adiabatic regularization combined with smoothed transitions suppresses the high-frequency oscillations in the power spectrum of primary gravitational waves about a zero mean.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2508.00798","ref_index":29,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Gravitational waves from axion inflation in the gradient expansion formalism. Part I. Pure axion inflation","primary_cat":"astro-ph.CO","submitted_at":"2025-08-01T17:24:57+00:00","verdict":"CONDITIONAL","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"In pure axion inflation, detectable gravitational wave signals arise only in parameter regions with strong backreaction that violate the upper bound on ΔN_eff.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2410.23348","ref_index":14,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Observable CMB B-modes from Cosmological Phase Transitions","primary_cat":"astro-ph.CO","submitted_at":"2024-10-30T18:00:02+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Phase transitions in dark sectors can generate CMB B-modes with amplitudes competitive with inflation but peaking at smaller angular scales.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2401.13668","ref_index":44,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Artificial Precision Timing Array: bridging the decihertz gravitational-wave sensitivity gap with clock satellites","primary_cat":"astro-ph.IM","submitted_at":"2024-01-24T18:59:06+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"Proposes APTA with 6 satellites and 10^{-18} relative clock uncertainty at 1s averaging to achieve sensitivity for observing 10^3-10^4 solar-mass black hole mergers in the decihertz band.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2109.01398","ref_index":174,"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":1,"top_context_role":"background","top_context_polarity":"background","context_text":"A review focused on GWs from inflation is given by Guzzetti, Bartolo, Liguori and Matarrese [173]. 2 ESTIMATES AND INTUITIVE PICTURE page 8 of 98 • Primordial black holes. The literature on primordial black holes is very vast and currently under refinement. A review that has been used in particular is the one by Sasaki, Suyama, Tanaka and Yokoyama [174]. Other interesting reviews are Refs. [175-178]. A complementary review on induced GWs with more focus on the PBH counterpart is given by Yuan and Huang [179]. • Primordial non-Gaussianity.Although quantum fluctuations during inflation are drawn from a Gaussian distribution, they can develop small departures from such Gaussian distribu- tion due to gravitational or general interactions."},{"citing_arxiv_id":"1907.04402","ref_index":122,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Lectures on Reheating after Inflation","primary_cat":"astro-ph.CO","submitted_at":"2019-07-09T20:36:00+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":0.0,"formal_verification":"none","one_line_summary":"Lecture notes providing a generic introduction to reheating after inflation, covering its theoretical, phenomenological, and observational aspects.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null}],"limit":50,"offset":0}