{"total":18,"items":[{"citing_arxiv_id":"2606.31049","ref_index":10,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Phase space quantization of anisotropic cosmologies: Taub and Kantowski-Sachs models","primary_cat":"gr-qc","submitted_at":"2026-06-30T02:36:01+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Phase space quantization via Wigner distributions and Moyal product for Taub and Kantowski-Sachs models recovers modified Bessel function wave functions without factor ordering ambiguities.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2606.30853","ref_index":209,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Rethinking quantum information in gravity and fields","primary_cat":"hep-th","submitted_at":"2026-06-29T19:34:06+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":2.0,"formal_verification":"none","one_line_summary":"The paper organizes important open questions in quantum gravity and quantum information into four themes without presenting new results or derivations.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.23862","ref_index":12,"ref_count":2,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Indefinite probabilities in quantum spacetime: A deepening of unpredictability","primary_cat":"quant-ph","submitted_at":"2026-05-22T17:20:58+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Using the SU_q(2) quantum group for spin rotations yields non-commuting probability operators, implying indefinite probabilities and preventing sharp determination of relative observer orientations.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.16931","ref_index":20,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Nonlinear response of the chiral magnetic effect in the D3/D7 holographic model","primary_cat":"hep-th","submitted_at":"2026-05-16T10:56:06+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"Near the insulating-CME phase boundary in the D3/D7 model, the chiral magnetic current shows multi-valued dependence on magnetic field strength, while axial chemical potential and magnetic field cooperatively stabilize the insulating phase.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.13294","ref_index":32,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Quantum spacetime and quantum fluctuations in the IKKT model at weak coupling","primary_cat":"hep-th","submitted_at":"2026-05-13T10:07:26+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"In the IKKT matrix model, quantum fluctuations are negligible compared to noncommutativity scales at weak coupling for Moyal-Weyl and covariant quantum spacetime backgrounds, justifying semi-classical emergent geometry.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"This extends 4 straightforwardly toU(n) upon replacing the background by a stack of coincidingR 4 θ \"branes\", T ˙a = \u0012X α ⊗1 ln 0 \u0013 (35) andg YM is recognized as Yang-Mills coupling. The above background can in fact be inter- preted as (a stack of) D-branes in string theory, equipped with effective metricG µν corre- sponding to the open string metric in some decoupling limit [32], as well as a 2-form given byθ −1 µν . We note the following message: even though the matrix model does not have a coupling constant, in a non-trivial vacuum a dimensionless coupling arises which may be small or large, depending on the background. 3.2 Quantum fluctuations onR 4 θ Now we wish to estimate the strength of the quantum fluctuationsAon Moyal-Weyl space."},{"citing_arxiv_id":"2604.13163","ref_index":2,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Covariant phase space approach to noncommutativity in tensile and tensionless open strings","primary_cat":"hep-th","submitted_at":"2026-04-14T18:00:01+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Covariant phase space analysis shows tensionless open strings in constant Kalb-Ramond background have purely boundary-supported phase space with noncommutative endpoint coordinates, recovering Seiberg-Witten noncommutativity for tensile strings and unifying both cases.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"2 Including boundary gauge field 26 5 Conclusions and outlook 29 A Open string propagator and tensionless limit 31 B Symplectic mechanics 33 C Canonical vs covariant phase space 36 D Alternative derivation with the gauge field 38 1 Introduction The study of noncommutative geometry in string theory originated in the seminal works of Witten [1] and, more directly, Seiberg and Witten [2], who showed that open strings propagating in a constant Kalb-Ramond background develop a nontrivial noncommutative structure at their endpoints. In the standard tensile theory, the background antisymmetric two-form modifies the boundary conditions obeyed by the open-string embedding coordinates on the D-brane. This deformation of the boundary dynamics is reflected in the worldsheet"},{"citing_arxiv_id":"2604.11051","ref_index":10,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Uni-vector deformations, D0-bound states and DLCQ","primary_cat":"hep-th","submitted_at":"2026-04-13T06:28:50+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Uni-vector deformations in Type IIA map D0 backgrounds to themselves and generate F1-D0 and D2-D0 bound states while relating to DLCQ of M-theory.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"The non-relativistic regime of string theory has close relation to non-commutative Yang- Mills theories on D-branes. Indeed, in both cases one considers the following transformation of the background geometry (gθ+bθ)−1= (g+b) −1+θ,(1.1) whereθ= 1/2θmn∂m∧∂n is a bi-vector,g,bdenote some given background,g θ,b θdenote the background that depends ong,bandθ. Ifb= 0the relation (1.1) realizes the open-closed string map of [10] where a closed string metricgθwith a non-vanishing Kalb-Ramond fieldbθ is interpreted as the open string metricgand the non-commutativity parameterθ. Ifθ= const and has no legs along the time direction, dynamics of the open string ends is described by non-commutative Yang-Mills theory. In this case it is possible to take the low energy limit α′→0to turn to a field theory."},{"citing_arxiv_id":"2604.08629","ref_index":25,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Thermodynamics and phase transitions of $\\kappa$-deformed Schwarzschild-AdS black holes","primary_cat":"gr-qc","submitted_at":"2026-04-09T16:22:11+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"κ-deformation induces critical behavior and phase transitions in uncharged Schwarzschild-AdS black holes with Pc vc/Tc ≈ 0.37 independent of κ and a double-loop G-T structure.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"ried out to incorporate NC effects into gravitational theo- ries. Among these, Moyal spacetime [23] andκ-deformed spacetime [24] are the two most widely studied examples. The Moyal spacetime, [ˆx µ,ˆxν] =iθ µν, whereθ µν is a constant tensor, is a canonical NC spacetime that is known to arise under the compactification of cer- tain string theory models [25]. Most approaches based on Moyal spacetime focus on deforming the Einstein- Hilbert action by replacing the ordinary product with the Moyal star product [26-28], or on deforming the standard gauge theory of gravity through the star product and the Seiberg-Witten map [29-31]. However, NC BH solu- tions has also been constructed alternatively by deform-"},{"citing_arxiv_id":"2604.04774","ref_index":49,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Exponentially Long Evaporation of Noncommutative Black Hole","primary_cat":"hep-th","submitted_at":"2026-04-06T15:46:01+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Noncommutative spacetime shifts the collapsing shell proportionally to outgoing Hawking mode momentum, invalidating standard robustness arguments and causing radiation to decay exponentially after scrambling for exponentially long black hole evaporation.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"97(1997) 949 [hep-th/9703078]. [46] T. Yoneya,String theory and space-time uncertainty principle,Prog. Theor. Phys.103(2000) 1081 [hep-th/0004074]. [47] M.R. Douglas and C.M. Hull,D-branes and the noncommutative torus,JHEP02(1998) 008 [hep-th/9711165]. [48] C.S. Chu and P.M. Ho,Noncommutative open string and D-brane,Nucl. Phys. B550(1999) 151 [hep-th/9812219]. [49] N. Seiberg and E. Witten,String theory and noncommutative geometry,JHEP09(1999) 032 [hep-th/9908142]. [50] E. Witten,Noncommutative Geometry and String Field Theory,Nucl. Phys. B268(1986) 253. [51] T. Banks, W. Fischler, S.H. Shenker and L. Susskind,M theory as a matrix model: A conjecture, Phys. Rev. D55(1997) 5112 [hep-th/9610043]. [52] N. Ishibashi, H."},{"citing_arxiv_id":"2603.18963","ref_index":70,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Observational Signatures of Rotating Ay\\'{o}n-Beato-Garc\\'{i}a Black Holes: Shadows, Accretion Disks and Images","primary_cat":"gr-qc","submitted_at":"2026-03-19T14:28:37+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"Rotating Ayón-Beato-García black holes produce smaller and sometimes D-shaped shadows whose size constrains the charge parameter ζ to the range 0.132811M–0.213607M when matched to EHT observations of M87* and Sgr A*.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2601.01527","ref_index":16,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Top-quark pair production in electron-positron collisions within the minimal noncommutative Standard Model","primary_cat":"hep-ph","submitted_at":"2026-01-04T13:35:33+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Noncommutative effects up to second order in Θ induce measurable deviations in the e+e− → tt̄ total cross section, polar and azimuthal distributions, and forward-backward asymmetry at ILC and CLIC energies.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2512.00864","ref_index":33,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Poly-vector deformations of heterotic supergravity solutions","primary_cat":"hep-th","submitted_at":"2025-11-30T12:25:40+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"Bi- and uni-vector deformations of heterotic supergravity solutions are constructed using gauged double field theory together with a generalized open/closed map.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2511.01020","ref_index":23,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Noncommutative dyonic black holes sourced by nonlinear electromagnetic fields","primary_cat":"gr-qc","submitted_at":"2025-11-02T17:25:22+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Derives perturbative noncommutative corrections to the metric tensor and gauge potential for static spherically symmetric dyonic black holes in several nonlinear electrodynamics theories.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2510.24406","ref_index":35,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Penrose limits and TsT for fibered $I$-branes","primary_cat":"hep-th","submitted_at":"2025-10-28T13:18:39+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":3.0,"formal_verification":"none","one_line_summary":"Analyzes TsT deformations and Penrose limits on fibered I-branes from prior work, finding preserved solvability when TsT precedes the limit and new asymptotically free or parallelizable sectors in the reverse order.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2506.09461","ref_index":59,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Holographic D-brane constructions with dynamical gauge fields","primary_cat":"hep-th","submitted_at":"2025-06-11T07:08:51+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Equips bottom-up holographic D-brane models with dynamical boundary gauge fields and shows that quasinormal mode dispersion relations in equilibrium and nonequilibrium states match hydrodynamics with dynamical U(1) symmetry.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2311.10565","ref_index":66,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Worldsheet Formalism for Decoupling Limits in String Theory","primary_cat":"hep-th","submitted_at":"2023-11-17T14:59:43+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Develops worldsheet sigma model for fundamental strings in critical type IIA limit showing nodal singularities and derives T-duality web unifying decoupling limits including ambitwistor and Carrollian strings.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"This magnetic B-field acts as the source of the spatial noncommutativity on the D2-brane. For simplicity, we set the other components in the B-field to zero. The noncommutative behavior can be made manifest by transforming the closed string data to the effective background fields seen by the open strings. This is done by using by applying the Seiberg-Witten map [66]. In particular, the open-string background field measuring the noncommutativity between the D2-brane worldvolume coordinates in type IIA superstring theory is [ σm, σn] ∼ ˆΘmn , where ˆΘmn = − h ˆG + ˆB \u0001−1 ˆB ˆG + ˆB \u0001−1imn . (3.23) Here, ˆGmn and ˆBmn are the pullbacks of the target space metric and B-field in the target space to the three-dimensional worldvolume."},{"citing_arxiv_id":"2206.09952","ref_index":82,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Tachyonic AdS/QCD, Determining the Strong Running Coupling and \\beta-function in both UV and IR Regions of AdS Space","primary_cat":"hep-ph","submitted_at":"2022-06-20T18:16:54+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"A tachyonic AdS/QCD construction deforms the bulk geometry with a tachyon-dependent dielectric function to produce a unified running coupling from perturbative UV to nonperturbative IR regimes.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"(2000) [arXiv:hep-th/0008231]; Effective Tachyon Dynamics in Superstring Theory , JHEP 0103, 038 (2001) [arXiv:hep- th/0009246]. [80] E. Witten, Non-commutative geometry and string field theory , Nuc. Phys. B 268, 253 (1986); N. Seiberg and E. Witten, String Theory and Noncommutative Geometry, JHEP 9909, 032 (1999) [arXiv:hep-th/9908142]. [81] A. Sen, Descent Relations Among Bosonic D-branes , Int. J. Mod. Phys. A 14, 4061 (1999) [arXiv:hep-th/9902105]. [82] F. Bigazzi and A. L. Cotrone, String theory meets QCD , Frascati Phys. Ser. 54, 378 (2012). [83] R. G. Leigh, Dirac-Born-Infeld Action from Dirichlet Sigma Model , Mod. Phys. Lett. A 4, 2767 (1989). [84] W. Taylor, Lectures on D-branes, tachyon condensation, and string field theory , Proceedings, School of Quantum Gravity, Valdivia, Chile, 151 (2002) [arXiv:hep-th/0301094]."},{"citing_arxiv_id":"1907.06280","ref_index":46,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Noncommutative Gauge Theories and Gravity","primary_cat":"hep-th","submitted_at":"2019-07-14T20:50:37+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":2.0,"formal_verification":"none","one_line_summary":"The paper reviews gauge-theoretic formulations of gravity in ordinary and noncommutative spaces based on the authors' earlier works.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null}],"limit":50,"offset":0}