{"total":10,"items":[{"citing_arxiv_id":"2606.24288","ref_index":30,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"The large scale structure probes of dark energy","primary_cat":"astro-ph.CO","submitted_at":"2026-06-23T08:08:54+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":2.0,"formal_verification":"none","one_line_summary":"A review summarizing direct and auxiliary large-scale structure probes for constraining dark energy and demonstrating their combined precision and accuracy.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.10102","ref_index":208,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"From Large Telescopes to the MUltiplexed Survey Telescope (MUST)","primary_cat":"astro-ph.IM","submitted_at":"2026-05-11T07:18:09+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"MUST is a new 6.5 m telescope designed to deliver simultaneous optical spectra for over 20,000 targets across a 5 deg² field, enabling the largest 3D spectroscopic map of the Universe with redshifts for more than 100 million objects over an 8-year survey.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.05663","ref_index":19,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Scalar-Field Reconstruction of Ricci--Gauss--Bonnet Dark Energy in Ho\\v{r}ava--Lifshitz Cosmology","primary_cat":"gr-qc","submitted_at":"2026-05-07T04:39:46+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":3.0,"formal_verification":"none","one_line_summary":"Scalar-field reconstruction of Ricci-Gauss-Bonnet dark energy in Hořava-Lifshitz cosmology produces an equation of state that transitions smoothly to de Sitter-like behavior at late times, with stable sound speed and non-negative total entropy change at the apparent horizon.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"[17] K. Koyama, \"Cosmological tests of modified gravity,\" Rep. Prog. Phys. 79(4), 046902 (2016). https://iopscience.iop.org/article/10.1088/0034-4885/79/4/046902/meta [18] A. Joyce, L. Lombriser and F. Schmidt, \"Dark energy vers us modified gravity,\" Annu. Rev. Nucl. Part. Sci. 66(1), 95-122 (2016). https://doi.org/10.1146/annurev-nucl-102115-044553 [19] T. Clifton, P. G. Ferreira, A. Padilla and C. Skordis, \"M odified gravity and cosmology,\" Phys. Rep. 513(1-3), 1-189 (2012). https://doi.org/10.1016/j.physrep.2012.01.001 [20] R. Myrzakulov, L. Sebastiani and S. Zerbini, \"Some aspe cts of generalized modified gravity models,\" Int. J. Mod. Phys. D 22(08), 1330017 (2013). https://doi.org/10.1142/S0218271813300176"},{"citing_arxiv_id":"2605.05060","ref_index":1,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Reconstruction Between Generalized Hybrid Metric--Palatini Gravity and $\\Phi(R,\\phi,X)$ Theories","primary_cat":"gr-qc","submitted_at":"2026-05-06T15:55:20+00:00","verdict":"CONDITIONAL","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"A local reconstruction framework maps Φ(R,φ,X) theories to f(R,ℛ) hybrid gravity in the Einstein frame, with the inverse mapping non-unique and parametrized by kinetic coupling.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"the scalar-sector representatives associated with dark-sector hybrid potentials. The resulting correspondence is therefore a local equivalence between regular vacuum Einstein-frame scalar sectors, rather than a global equivalence between arbitrary Jordan-frame actions. Within this domain, it provides a constructive map betweenΦ(R, ϕ, X)andf(R,R)descriptions of the same two- scalar dynamics. References [1] Timothy Clifton et al. \"Modified Gravity and Cosmology\". In:Phys. Rept.513 (2012), pp. 1-189. doi:10.1016/j.physrep.2012.01.001. arXiv:1106.2476 [astro-ph.CO]. [2] Shin'ichi Nojiri and Sergei D. Odintsov. \"Unified cosmic history in modified gravity: from F(R) theory to Lorentz non-invariant models\". In:Phys. Rept.505 (2011), pp. 59-144.doi:10.1016/j."},{"citing_arxiv_id":"2604.23793","ref_index":23,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"From Big Bang Nucleosynthesis to Late-Time Acceleration in $f(Q,L_m)$ Gravity","primary_cat":"gr-qc","submitted_at":"2026-04-26T16:35:30+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"The f(Q, L_m) gravity model fits observational data from BBN to late-time acceleration, acting as a viable quintessence-like alternative to the standard LambdaCDM model.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"with changing equations of state and modifications to Einstein's gravitational theory. A thorough review of these approaches is available in the referenced literature [10]-[22]. Modified gravity theories, which extend or reformulate traditional general relativity, seek to offer a more accurate and thorough understanding of the universe's dynamics on large scales [23]. These theories are particularly effective in addressing major cosmological challenges, including dark energy, dark matter, and the accelerated expansion of the ∗ Corresponding author: rajdeepmazumdar377@gmail.com † kalyanmalakar349@gmail.com ‡ kalyanbhuyan@dibru.ac.in arXiv:2604.23793v1 [gr-qc] 26 Apr 2026 2 universe in its later stages, issues that conventional general relativity has not been able to resolve satisfactorily."},{"citing_arxiv_id":"2604.23721","ref_index":17,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Photon regions, shadow observables and constraints from M87* of a Kerr-Newman-like black hole in Bumblebee gravity surrounded by plasma","primary_cat":"gr-qc","submitted_at":"2026-04-26T14:04:04+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"The shadow of a Kerr-Newman-like black hole in Bumblebee gravity with plasma is analyzed via observables and constrained by M87* EHT data, with spin and Lorentz violation mainly distorting the shape while charge and plasma shrink the size.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"16227 [astro-ph.CO]]. [15] A. Afzalet al.[NANOGrav], Astrophys. J. Lett. 951(2023) no.1, L11 [erratum: Astrophys. J. Lett. 971(2024) no.1, L27] doi:10.3847/2041-8213/acdc91 [arXiv:2306.16219 [astro-ph.HE]]. [16] T. Clifton, P. G. Ferreira, A. Padilla and C. Skordis, Phys. Rept.513(2012), 1-189 doi:10.1016/j.physrep.2012.01.001 [arXiv:1106.2476 [astro-ph.CO]]. [17] P. G. S. Fernandes, P. Carrilho, T. Clifton and D. J. Mulryne, Class. Quant. Grav.39(2022) no.6, 063001 doi:10.1088/1361-6382/ac500a [arXiv:2202.13908 [gr-qc]]. [18] S. Shankaranarayanan and J. P. Johnson, Gen. Rel. Grav.54(2022) no.5, 44 doi:10.1007/s10714-022-02927-2 [arXiv:2204.06533 [gr-qc]]. [19] M. Han and H. Liu, Class. Quant. Grav.39(2022) no."},{"citing_arxiv_id":"2604.19613","ref_index":19,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"MG-NECOLA: A Field-Level Emulator for $f(R)$ Gravity and Massive Neutrino Cosmologies","primary_cat":"astro-ph.CO","submitted_at":"2026-04-21T16:01:37+00:00","verdict":"CONDITIONAL","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"A field-level CNN emulator converts MG-PICOLA runs into near N-body accuracy for f(R) gravity and neutrino cosmologies, achieving sub-percent errors on power spectra and bispectra while generalizing beyond its training set.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2604.19831","ref_index":46,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Van der Waals Gravity Theory","primary_cat":"gr-qc","submitted_at":"2026-04-20T22:56:32+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"A van der Waals-inspired modification to general relativity renders the gravitational coupling dynamical, providing a mechanism to avoid Big Bang and black hole singularities.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"ity of quantum mechanics at microscopic scales and instead focuses on modifying the gravita- tional sector. Within this framework, various extensions of general relativity have been pro- posed, motivated by both phenomenological con- siderations [39-41] and deeper theoretical insights [42-45]. These modified gravity theories often succeed in addressing certain observational dis- crepancies [46, 47] and may provide hints toward a more fundamental connection between gravity and quantum phenomena [48-50]. An especially intriguing line of investigation suggests that thermodynamics may provide fun- damental and reliable clues toward understanding the connection between quantum mechanics and general relativity. Thermodynamics constitutes a powerful and universal framework, capable of"},{"citing_arxiv_id":"2604.06791","ref_index":9,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Gravitational Lensing as an Optical Framework for Modified Gravity Theories","primary_cat":"gr-qc","submitted_at":"2026-04-08T07:57:31+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":3.0,"formal_verification":"none","one_line_summary":"Gravitational lensing is recast as an optical phenomenon governed by effective refractive index, yielding closed-form deflection angles and Einstein radii for modified gravity models including deep-MOND, Yukawa, and power-law f(R).","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"This dual modification gives rise to an effective refractive index n(r) = c v = 1− 2Φ(r) c2 .(3) The factor of 2 in this expression is crucial because it leads to the full general relativistic pre- dictionα GR = 4GM/(bc2), which is twice the value obtained by Soldner and early Einstein. This factor of 2 was famously confirmed by Eddington's 1919 solar eclipse observations [9], establishing general relativity as the correct theory of gravitation. 4 B. Fermat's Principle and the Ray Equation in an Inhomogeneous Medium The foundation of geometrical optics is Fermat's principle, which states that light travels between two points along a path that renders the optical path length stationary [22]. Mathe- matically, for propagation through a medium with position-dependent refractive indexn(r),"},{"citing_arxiv_id":"2602.08562","ref_index":21,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Evolutionary Phase of Universe in $f(R,L_m,T)$ Gravity: The Dynamical System Analysis","primary_cat":"gr-qc","submitted_at":"2026-02-09T12:00:03+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":3.0,"formal_verification":"none","one_line_summary":"Dynamical systems analysis in f(R,L_m,T) gravity identifies stable critical points that describe different evolutionary phases of the Universe.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null}],"limit":50,"offset":0}