{"total":13,"items":[{"citing_arxiv_id":"2605.18249","ref_index":24,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Quasinormal modes of a rotating loop quantum black hole","primary_cat":"gr-qc","submitted_at":"2026-05-18T11:50:45+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Quasinormal modes of a massless scalar field on a rotating loop quantum black hole background exhibit reduced real frequencies and damping rates with increasing quantum corrections, with rotation introducing crossovers, outbursts in overtones, and spectral inversions.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.16132","ref_index":253,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Nucleosynthesis in the fast ejecta of a neutron star merger","primary_cat":"astro-ph.HE","submitted_at":"2026-05-15T16:15:03+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Free neutrons survive r-process freeze-out in fast ejecta of neutron star mergers and their beta-decay heating produces a visible early kilonova precursor for mass fractions above ~0.05.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.03018","ref_index":12,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Gravitational electric-magnetic duality at the light ring and quasinormal mode isospectrality in effective field theories","primary_cat":"gr-qc","submitted_at":"2026-05-04T18:00:10+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"Gravitational electric-magnetic duality at the light ring organizes and preserves quasinormal mode isospectrality in GR and selects duality-invariant higher-derivative corrections in effective field theories.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"[10] S. Gossan, J. Veitch, and B. S. Sathyaprakash, Bayesian model selection for testing the no-hair theorem with black hole ringdowns, Phys. Rev. D85, 124056 (2012), arXiv:1111.5819 [gr-qc]. [11] E. Bertiet al., Testing General Relativity with Present and Future Astrophysical Observations, Class. Quant. Grav.32, 243001 (2015), arXiv:1501.07274 [gr-qc]. [12] E. Berti, K. Yagi, H. Yang, and N. Yunes, Extreme Grav- ity Tests with Gravitational Waves from Compact Binary Coalescences: (II) Ringdown, Gen. Rel. Grav.50, 49 (2018), arXiv:1801.03587 [gr-qc]. [13] N. Franchini and S. H. Völkel, Testing General Rel- ativity with Black Hole Quasi-normal Modes (2024) arXiv:2305.01696 [gr-qc]. [14] A. G. Abacet al."},{"citing_arxiv_id":"2604.11895","ref_index":12,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Novel ringdown tests of general relativity with black hole greybody factors","primary_cat":"gr-qc","submitted_at":"2026-04-13T18:00:07+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"GreyRing model based on greybody factors reproduces numerical relativity ringdown signals with mismatches of order 10^{-6} and enables a new post-merger consistency test of general relativity applied to GW250114.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"Lopez-Aleman, Class. Quant. Grav.21, 787 (2004), arXiv:gr-qc/0309007. [9] E. Berti, V. Cardoso, and C. M. Will, Phys. Rev. D 73, 064030 (2006), arXiv:gr-qc/0512160. [10] S. Gossan, J. Veitch, and B. S. Sathyaprakash, Phys. Rev. D85, 124056 (2012), arXiv:1111.5819 [gr-qc]. [11] E. Bertiet al., Class. Quant. Grav.32, 243001 (2015), arXiv:1501.07274 [gr-qc]. [12] E. Berti, K. Yagi, H. Yang, and N. Yunes, Gen. Rel. Grav.50, 49 (2018), arXiv:1801.03587 [gr-qc]. [13] N. Franchini and S. H. Völkel, (2023), arXiv:2305.01696 [gr-qc]. [14] A. G. Abacet al.(LIGO Scientific, VIRGO, KAGRA), (2026), arXiv:2603.19019 [gr-qc]. [15] A. G. Abacet al.(LIGO Scientific, VIRGO, KAGRA), (2026), arXiv:2603.19021 [gr-qc]. [16] V."},{"citing_arxiv_id":"2604.11755","ref_index":2,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Ringing of rapidly rotating black holes in effective field theory","primary_cat":"gr-qc","submitted_at":"2026-04-13T17:28:48+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Leading-order cubic-curvature corrections to scalar quasinormal modes of black holes with spins up to 0.99M are computed numerically for modes up to l=5 with relative errors below 10^{-4}.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"research and innovation programme under the Marie Sklodowska-Curie grant agreement No 101007855 and No 101131233. The Tycho supercomputer hosted at the SCI- ENCE HPC center at the University of Copenhagen was used for supporting this work. 9 [1] V. Cardoso and L. Gualtieri, Testing the black hole 'no- hair' hypothesis, Class. Quant. Grav.33, 174001 (2016), arXiv:1607.03133 [gr-qc]. [2] E. Berti, K. Yagi, H. Yang, and N. Yunes, Extreme Grav- ity Tests with Gravitational Waves from Compact Bi- nary Coalescences: (II) Ringdown, General Relativity and Gravitation50, 49 (2018), arXiv:1801.03587 [gr-qc]. [3] E. Berti, K. Yagi, and N. Yunes, Extreme Gravity Tests with Gravitational Waves from Compact Binary Coales- cences: (I) Inspiral-Merger, General Relativity and Grav-"},{"citing_arxiv_id":"2604.02214","ref_index":16,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Quadratic gravity corrections to scalar QNMs of rapidly rotating black holes","primary_cat":"gr-qc","submitted_at":"2026-04-02T16:06:26+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"Leading-order deviations from general relativity in scalar quasinormal modes of rotating black holes are computed numerically up to dimensionless spins of 0.99 in quadratic-curvature scalar-tensor theories.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"Yang, and N. Yunes, Extreme Gravity Tests with Gravitational Waves from Compact Binary Coalescences: (II) Ringdown, General Relativity and Gravitation50, 49 (2018), arXiv:1801.03587 [gr-qc]. [15] E. Berti, V. Cardoso, G. Carullo,et al., Black hole spectroscopy: from theory to experiment, Classical and Quantum Gravity (2026), arXiv:2505.23895 [gr-qc]. [16] O. Dreyer, B. J. Kelly, B. Krishnan, L. S. Finn, D. Gar- rison, and R. Lopez-Aleman, Black hole spectroscopy: Testing general relativity through gravitational wave observations, Classical and Quantum Gravity21, 787 (2004), arXiv:gr-qc/0309007. [17] E. Berti, V. Cardoso, and C. M. Will, On gravitational- wave spectroscopy of massive black holes with the space"},{"citing_arxiv_id":"2601.16016","ref_index":8,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Nonlinear tails of massive scalar fields around a black hole","primary_cat":"gr-qc","submitted_at":"2026-01-22T14:41:06+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Nonlinear tails of massive scalar fields around black holes decay at the same rate as linear tails during intermediate times, independent of sources or initial conditions.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2512.17786","ref_index":29,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Quasinormal modes of rotating black holes beyond general relativity in the WKB approximation","primary_cat":"gr-qc","submitted_at":"2025-12-19T16:57:57+00:00","verdict":"CONDITIONAL","verdict_confidence":"MODERATE","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Higher-order WKB accurately computes quasinormal mode frequencies for rotating black holes beyond general relativity, with errors below current GW measurement precision for GW250114.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2511.08692","ref_index":16,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Excitation factors for horizonless compact objects: long-lived modes, echoes, and greybody factors","primary_cat":"gr-qc","submitted_at":"2025-11-11T19:00:08+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Excitation factors of long-lived quasinormal modes in horizonless compact objects scale with their small imaginary frequency, suppressing early contributions and producing a hierarchy where prompt ringdown uses ordinary modes and late echoes use cavity modes.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"sion, with current detectors reaching design sensitivity and with the advent of next-generation interferometers such as LISA [17], Einstein Telescope [18-22], and Cos- mic Explorer [23-25]. These facilities are expected to measure ringdowns at the sub-percent level [26-28], en- abling unprecedented tests of General Relativity and of the nature of compact objects [16]. A central goal of BH spectroscopy is the extraction of multiple quasinormal modes (QNMs) [29-32] from the post-merger remnant as it approaches stationarity. In General Relativity, the entire QNM spectrum of a BH is uniquely determined by its mass and spin, allowing for stringent null-hypothesis tests of the theory [33, 34], of the remnant's nature [35-37], and of its surrounding"},{"citing_arxiv_id":"2506.16217","ref_index":16,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Quasinormal modes and grey-body factors of axial gravitational perturbations of regular black holes in asymptotically safe gravity","primary_cat":"gr-qc","submitted_at":"2025-06-19T11:09:00+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"Axial quasinormal modes of regular black holes in asymptotically safe gravity are weakly affected by the deviation parameter for the fundamental mode but show notable deviations for higher overtones, with strong agreement between grey-body factors and QNMs for large multipole numbers.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2505.23895","ref_index":7,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Black hole spectroscopy: from theory to experiment","primary_cat":"gr-qc","submitted_at":"2025-05-29T18:00:01+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":2.0,"formal_verification":"none","one_line_summary":"A review summarizing the state of the art in black hole quasinormal modes, ringdown waveform modeling, current LIGO-Virgo-KAGRA observations, and prospects for LISA and next-generation detectors.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2505.08877","ref_index":7,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"On the universality of late-time ringdown tail","primary_cat":"gr-qc","submitted_at":"2025-05-13T18:05:21+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Analytical proof establishes universality of late-time ringdown tails for any effective potential decaying as 1/r², with different power-law behavior for 1/r^α (1<α<2), covering charged black holes, Kerr, exotic objects, modified gravity, and environmental matter distributions.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2501.16433","ref_index":20,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Greybody factors, reflectionless scattering modes, and echoes of ultracompact horizonless objects","primary_cat":"gr-qc","submitted_at":"2025-01-27T19:00:06+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"High-frequency quasi-reflectionless scattering modes in the greybody factors of ultracompact horizonless objects are responsible for echoes in the time-domain response.","context_count":1,"top_context_role":"background","top_context_polarity":"unclear","context_text":"02622 [astro-ph.CO]. [16] V. Kalogera et al., (2021), arXiv:2111.06990 [gr-qc]. [17] S. Hild et al. , Class. Quant. Grav. 28, 094013 (2011), arXiv:1012.0908 [gr-qc]. [18] M. Branchesi et al. , JCAP 07, 068 (2023), arXiv:2303.15923 [gr-qc]. [19] B. P. Abbott et al. (LIGO Scientific), Class. Quant. Grav. 34, 044001 (2017), arXiv:1607.08697 [astro- ph.IM]. [20] R. Essick, S. Vitale, and M. Evans, Phys. Rev. D 96, 084004 (2017), arXiv:1708.06843 [gr-qc]. [21] M. Evans et al., (2023), arXiv:2306.13745 [astro-ph.IM]. [22] E. Berti, A. Sesana, E. Barausse, V. Cardoso, and K. Belczynski, Phys. Rev. Lett. 117, 101102 (2016), arXiv:1605.09286 [gr-qc]. [23] S. Bhagwat, C. Pacilio, E. Barausse, and P. Pani, Phys."}],"limit":50,"offset":0}