{"total":17,"items":[{"citing_arxiv_id":"2605.30419","ref_index":55,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"New quantum information perspectives in the axion--photon and neutrino systems","primary_cat":"hep-ph","submitted_at":"2026-05-28T18:00:02+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Axion-photon oscillations generate bipartite mode entanglement with maximal values at resonance, and quantum speed limits are derived for both axion-photon and neutrino systems.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.28404","ref_index":43,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"On the existence of fully inseparable biseparable Gaussian states","primary_cat":"quant-ph","submitted_at":"2026-05-27T12:39:47+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"Numerical evidence from projections and witnesses on specific Gaussian families leads to the conjecture that full inseparability implies genuine multipartite entanglement for all Gaussian states.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.08337","ref_index":20,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Entanglement Requirements for Coherent Enhancement in Detectors","primary_cat":"hep-ph","submitted_at":"2026-05-08T18:00:00+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Coherent enhancement in detectors is quantitatively constrained by single-mode entanglement entropy, with general bounds on scaling with system size that interpolate between incoherent and fully coherent regimes.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"Wave-like Dark Matter Searches with Entangled Qubits (2025), arXiv:2510.11795 [hep-ph]. [17] Z. Bogorad, P. W. Graham, and G. Gratta, Phys. Rev. D108, 055005 (2023), arXiv:2303.17744 [hep-ph]. [18] C. H. Bennett, D. P. DiVincenzo, J. A. Smolin, and W. K. Wootters, Phys. Rev. A54, 3824 (1996), arXiv:quant- ph/9604024. [19] W. K. Wootters, Phys. Rev. Lett.80, 2245 (1998), arXiv:quant-ph/9709029. [20] R. Horodecki, P. Horodecki, M. Horodecki, and K. Horodecki, Rev. Mod. Phys.81, 865 (2009), arXiv:quant-ph/0702225. [21] M. B. Plenio and S. S. Virmani, Quant. Inf. Comput.7, 001 (2007), arXiv:quant-ph/0504163. [22] M. G. A. Paris, Int. J. Quant. Inf.07, 125 (2009), arXiv:0804.2981 [quant-ph]. [23] J. Liu, H. Yuan, X.-M. Lu, and X. Wang, J. Phys. A53,"},{"citing_arxiv_id":"2605.05479","ref_index":51,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Quantum Simulation of the Real-time Dynamics in the multi-flavor Gross-Neveu Model at the utility scale using Superconducting Quantum Computers","primary_cat":"quant-ph","submitted_at":"2026-05-06T21:57:51+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"A scalable Trotterization and Localized Diagonal Operator Approximation enable real-time quantum simulation of the multi-flavor Gross-Neveu model on utility-scale superconducting hardware.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"Beenakker, Measuring Trρn on single copies of ρ using random measurements, Phys. Rev. Lett. 108, 110503 (2012), arXiv:1112.1027 [quant-ph]. [50] A. Elben, B. Vermersch, M. Dalmonte, J. I. Cirac, and P. Zoller, R' enyi Entropies from Random Quenches in Atomic Hubbard and Spin Models, Phys. Rev. Lett.120, 050406 (2018), arXiv:1709.05060 [quant-ph]. [51] B. Vermersch, A. Elben, M. Dalmonte, J. I. Cirac, and P. Zoller, Unitary n -designs via random quenches in atomic Hubbard and spin models: Application to the measurement of R' enyi entropies, Phys. Rev. A97, 023604 (2018), arXiv:1801.00999 [quant-ph]. [52] A. Elben, B. Vermersch, C. F. Roos, and P. Zoller, Statistical correlations between locally randomized measurements:"},{"citing_arxiv_id":"2604.23673","ref_index":10,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Entanglement (1+2) QED in a double layer of Dirac Materials","primary_cat":"quant-ph","submitted_at":"2026-04-26T12:17:01+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Cavity-mediated interaction plus self-energy renormalization in (1+2) Dirac QED produces enhanced momentum-resolved entanglement entropy and stationary Bell-like states when coherence time exceeds interlayer photon propagation time.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2604.16268","ref_index":1,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Radiation effects on the entanglement of fermion pairs at colliders","primary_cat":"hep-ph","submitted_at":"2026-04-17T17:26:05+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Energetic radiation induces decoherence that significantly reduces entanglement in fermion pairs at colliders, with statistically significant signals observable in ttbar(g) at the LHC and tau pairs at Belle II.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"tinctive manifestations of quantum mechanics. When the quantum state of the full system cannot be written as a product of states of its two constituents, the system is entangled. Quantum entanglement has been studied ex- tensively in quantum optics, and has been demonstrated in a variety of other physical systems in low energy ex- periments, see Ref. [1]. The time evolution of an isolated quantum sys- tem is unitary and deterministic, as described by the Schr¨ odinger equation. In realistic situations, however, quantum systems interact with additional degrees of free- dom in their environment. The evolution of the subsys- tem of interest is then no longer unitary and must be described within the framework of open quantum sys-"},{"citing_arxiv_id":"2604.09772","ref_index":3,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Leggett-Garg Inequality Violations Bound Quantum Fisher Information","primary_cat":"quant-ph","submitted_at":"2026-04-10T18:00:34+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Leggett-Garg inequality violations yield lower bounds on quantum Fisher information in stationary pure and thermal states, serving as a witness for many-body quantum coherence.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"of Nuclear Physics under Award No. DE-SC0023861. ∗nka2@illinois.edu †yuntaog2@illinois.edu ‡bbradlyn@illinois.edu §jn0508@illinois.edu [1] R. Horodecki, P. Horodecki, M. Horodecki, and K. Horodecki, Quantum entanglement, Rev. Mod. Phys. 81, 865 (2009), arXiv:quant-ph/0702225. [2] O. Gühne and G. Tóth, Entanglement detection, Phys. Rept.474, 1 (2009), arXiv:0811.2803 [quant-ph]. [3] L. Pezzè, A. Smerzi, M. K. Oberthaler, R. Schmied, and P. Treutlein, Quantum metrology with nonclassical states of atomic ensembles, Rev. Mod. Phys.90, 035005 (2018), 5 arXiv:1609.01609 [quant-ph]. [4] V. Giovannetti, S. Lloyd, and L. Maccone, Quantum metrology, Phys. Rev. Lett.96, 010401 (2006). [5] L. Amico, R. Fazio, A. Osterloh, and V. Vedral, Entan-"},{"citing_arxiv_id":"2601.00071","ref_index":8,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Mixed-state entanglement and phase transitions in Einstein-Born-Infeld massive gravity","primary_cat":"hep-th","submitted_at":"2025-12-31T19:00:45+00:00","verdict":null,"verdict_confidence":null,"novelty_score":null,"formal_verification":null,"one_line_summary":null,"context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2512.22837","ref_index":12,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Bell nonlocality and entanglement in $\\chi_{cJ}$ decays into baryon pair","primary_cat":"hep-ph","submitted_at":"2025-12-28T08:40:25+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"Chi_c0 decays exhibit maximal Bell violation and entanglement, chi_c1 shows angle-modulated violation, and chi_c2 baryon pairs are separable with no violation.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2512.21228","ref_index":68,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Quantum entanglement between partons in a strongly coupled quantum field theory","primary_cat":"hep-ph","submitted_at":"2025-12-24T15:08:27+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"In unquenched scalar Yukawa theory, parton entanglement entropy encodes quantum information that cannot be reduced to Shannon entropy of parton distributions.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2511.01366","ref_index":3,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Symmetry-Resolved Entanglement Entropy from Heat Kernels","primary_cat":"hep-th","submitted_at":"2025-11-03T09:09:51+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"An improved heat kernel framework with phase-factor reconstruction computes symmetry-resolved entanglement entropy for charged systems and derives a cMERA flow equation that agrees with CFT and holographic calculations.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2510.17730","ref_index":123,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Automated computation of spin-density matrices and quantum observables for collider physics","primary_cat":"hep-ph","submitted_at":"2025-10-20T16:44:34+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"An automated framework in MadGraph5_aMC@NLO computes tree-level production spin-density matrices and quantum observables for generic collider processes, with validation on ttbar and VV and new applications to multi-top final states.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"and explorations have been initiated that include the study of higher-order effects [66, 72-77], the use of more elaborated entanglement measures [78-92], the study of multipartite entanglement [93-98], the connection with non-locality [87, 99-107] as well as the exciting exploration of entanglement as a dynamical principle [108-122]. For a recent status and prospects overview, see Ref. [123]. Atthecoreofcurrentcolliderstudiesliesthespin-densitymatrix, whichencapsulatesthequantum spin state of a system produced in high-energy collisions. It serves as the starting point for computing a wide range of observables: polarisation, spin correlations, entanglement measures (e.g. concurrence, entanglement of formation), and other markers of non-classical behaviour such as negativity or magic."},{"citing_arxiv_id":"2509.07585","ref_index":2,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Particle Collisions & Quantum Entanglement in High-Energy Collisions","primary_cat":"hep-ph","submitted_at":"2025-09-09T10:52:36+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":2.0,"formal_verification":"none","one_line_summary":"A review summarizing advancements in probing quantum entanglement and Bell inequalities using high-energy particle colliders.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"As a result, violations of the Bell inequality in experiments provide strong evidence against local nature of HVTs, thereby supporting the non-local property of the quantum mechanical framework [8,9]. The first experiments to test violations of the Bell inequality were carried out using entangled photons at energies on the order of a few electronvolts, see [2] for a more complete review. In these experiments, pairs of photons were prepared in a spin-singlet state, and their polarizations (analogous to spin measurements) were measured along various directions. thus allowing to probe entanglement and potential violations of the Bell inequality. Violations of the Bell inequality were first observed experimentally in optical setups [10,11], by A."},{"citing_arxiv_id":"2504.07814","ref_index":5,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Estimating the best separable approximation of non-pure spin-squeezed states","primary_cat":"quant-ph","submitted_at":"2025-04-10T14:51:18+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Lower bounds on the best separable approximation distance for non-pure spin-squeezed states are obtained from the complete set of spin-squeezing inequalities, with symmetry-exploiting optimization for upper bounds, revealing finite-temperature entanglement in ordered phases of the XXZ model.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2504.07030","ref_index":2,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Decoherence effects in entangled fermion pairs at colliders","primary_cat":"quant-ph","submitted_at":"2025-04-09T16:44:25+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"Calculates decoherence from radiation on a Bell-state fermion pair by mapping integrated Altarelli-Parisi splitting functions to Kraus operators of an open quantum system.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2504.01496","ref_index":66,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Entanglement and Bell Nonlocality in $\\tau^+ \\tau^-$ at the LHC using Machine Learning for Neutrino Reconstruction","primary_cat":"hep-ph","submitted_at":"2025-04-02T08:48:10+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Simulations of pp to tau+ tau- at the LHC with ML neutrino reconstruction show Bell nonlocality above 5 sigma, proposing tau pairs as a new benchmark system for quantum information studies.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2212.11740","ref_index":66,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Separability and entanglement of resonating valence-bond states","primary_cat":"cond-mat.str-el","submitted_at":"2022-12-22T14:32:49+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Proves exact separability for disconnected subsystems in dimer RK states and exponentially suppressed entanglement for RVB states on arbitrary lattices, with negativity expressed via partition functions.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"Alet, J. 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