Closed-form solutions are provided for a family of nonconvex optimization problems on ratios of principal minor products for positive definite matrices, confirming the Ingleton ratio infimum is 16/27 for 4x4 matrices.
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representative citing papers
Introduces forward-assisted purification via a new spatiotemporal framework that outperforms conventional static purification by up to 50x in copy efficiency and circumvents no-purification theorems for Bell states.
CBNE enables estimation of nonlinear quantum properties such as higher-order expectations from a single randomized measurement setting under sufficient system dimension or ancillary qubits.
Defines a resource theory of GPT-contextuality whose free operations are classical systems and univalent simulations, yielding monotones including classical excess (minimal embedding error into infinite classical systems) and parity-oblivious multiplexing success probability, with noncontextual GPTs
First demonstration of loophole-free steering nonlocality in a high-speed chip-fiber telecom system with time-bin entanglement and phase-encoding measurements.
For product and X-form separable noise, exact Bell-mixing thresholds for entanglement and teleportation advantage are derived as 'absorption capacities' mapped by lambda = C/(1+C).
Pure-state BNMR is an intrinsic function of the nonzero Schmidt spectrum via dimension reduction, yielding quadratic perturbation response, Haar-random profiles localized at symmetric cuts, and closed forms for rank-2 states.
Non-Hermitian XY model provides first spin-based realization of an idle-level quantum Otto engine where non-Hermiticity compresses the idle gap to improve work and efficiency.
Derives quantum Fisher information for simultaneous estimation of velocity and angle in gluon-fusion top-antitop production and connects estimation sensitivity to spin entanglement.
Haar random qubit states show vanishing fermionic non-Gaussianity for subsystems smaller than half the total size without symmetry, small but finite non-Gaussianity with U(1) symmetry, and extensive non-Gaussianity for larger subsystems.
Experimental demonstration of non-Markovian death, revival, and asymmetric structures in tripartite quantum steering.
A parameterized extended correlation tensor from generalized Bloch representation yields separability criteria that detect bipartite and multipartite entanglement with improved performance.
Non-Markovian dephasing revives and protects quantum resources in polarized hyperon pairs, with a stable hierarchy of coherence over discord over entanglement across BESIII channels.
Proposes a heterogeneous quantum repeater network architecture using recursive designs and RuleSets with a new bridging building block, but states that full-scale resource trade-off analysis remains future work.
Averaging quantum correlations over mutually unbiased bases, all orthonormal bases, operator bases, and unitary twirling via metric-adjusted skew information yields one intrinsic closed expression, enabling complementarity relations among wave-particle features, entropy, and average correlation.
Analysis of Stack Overflow posts identifies hybrid quantum-classical computing and quantum circuit implementation as the top discussion topics, with Qiskit and Grover's algorithm most referenced, and varying difficulty levels across topics.
Three-spin interactions enable maximal concurrence near multicritical points and sustain entanglement for intra-phase quenches in a central spin model.
The paper defines a geometric deficiency measure relative to maximal resource states and claims it exactly quantifies the operational disadvantage in subchannel discrimination.
Fractional time Schrödinger equations applied to the time-dependent Jaynes-Cummings model introduce non-Markovian memory that damps oscillations, controls entanglement, and preserves non-periodic dynamics under sinusoidal coupling.
Higher-dimensional two-way QKD protocols using mutually unbiased bases and Heisenberg-Weyl operators yield secret keys for stronger individual attacks and improved robustness to collective eavesdropping via entropic uncertainty relations.
In the large-N limit, spin squeezing torsion yields a nonlinear qubit governed by the two-state Gross-Pitaevskii equation that solves single-input state discrimination on the Bloch sphere.
Presents optimization framework and closed-form solutions for convex approximation of quantum channels under α-affinity metric for SU(2)-covariant, Pauli, and amplitude-damping cases.
Quantum teleportation using noisy top-quark pairs stays above the classical fidelity threshold of 2/3.
Electric charge of a Reissner-Nordström black hole enhances decoherence of Dirac entanglement inside the horizon but can temporarily boost accessible entanglement outside, while Hawking radiation transfers correlations to inaccessible regions causing apparent loss for external observers.
citing papers explorer
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Sharp Inequalities for Products of Principal Minors of Positive Definite Matrices
Closed-form solutions are provided for a family of nonconvex optimization problems on ratios of principal minor products for positive definite matrices, confirming the Ingleton ratio infimum is 16/27 for 4x4 matrices.
-
Forward-Assisted Purification: A Spatiotemporal Framework Beyond Conventional Limits
Introduces forward-assisted purification via a new spatiotemporal framework that outperforms conventional static purification by up to 50x in copy efficiency and circumvents no-purification theorems for Bell states.
-
Quantum Nonlinear Properties from a Single Measurement Setting
CBNE enables estimation of nonlinear quantum properties such as higher-order expectations from a single randomized measurement setting under sufficient system dimension or ancillary qubits.
-
Resource-theoretic hierarchy of contextuality for general probabilistic theories
Defines a resource theory of GPT-contextuality whose free operations are classical systems and univalent simulations, yielding monotones including classical excess (minimal embedding error into infinite classical systems) and parity-oblivious multiplexing success probability, with noncontextual GPTs
-
Steering nonlocality in high-speed telecommunication system without detection loophole
First demonstration of loophole-free steering nonlocality in a high-speed chip-fiber telecom system with time-bin entanglement and phase-encoding measurements.
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Absorption capacity of separable noise: Bell-mixing thresholds on entanglement and teleportation
For product and X-form separable noise, exact Bell-mixing thresholds for entanglement and teleportation advantage are derived as 'absorption capacities' mapped by lambda = C/(1+C).
-
Intrinsic spectral structure of bipartite nonlocal magic resource
Pure-state BNMR is an intrinsic function of the nonzero Schmidt spectrum via dimension reduction, yielding quadratic perturbation response, Haar-random profiles localized at symmetric cuts, and closed forms for rank-2 states.
-
Quantum Otto engine with field-decoupled idle levels in a non-Hermitian XY model
Non-Hermitian XY model provides first spin-based realization of an idle-level quantum Otto engine where non-Hermiticity compresses the idle gap to improve work and efficiency.
-
Multiparameter quantum estimation and entanglement in top--antitop quark production
Derives quantum Fisher information for simultaneous estimation of velocity and angle in gluon-fusion top-antitop production and connects estimation sensitivity to spin entanglement.
-
Non-Gaussianity of random quantum states
Haar random qubit states show vanishing fermionic non-Gaussianity for subsystems smaller than half the total size without symmetry, small but finite non-Gaussianity with U(1) symmetry, and extensive non-Gaussianity for larger subsystems.
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Observation of Non-Markovian Evolution of Tripartite Quantum Steering
Experimental demonstration of non-Markovian death, revival, and asymmetric structures in tripartite quantum steering.
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Quantum separability criteria from bipartite systems to multipartite systems based on generalized Bloch representation
A parameterized extended correlation tensor from generalized Bloch representation yields separability criteria that detect bipartite and multipartite entanglement with improved performance.
-
Environmental Memory Effects and Quantum Resource Hierarchies in Polarized Hyperon--Antihyperon Systems
Non-Markovian dephasing revives and protects quantum resources in polarized hyperon pairs, with a stable hierarchy of coherence over discord over entanglement across BESIII channels.
-
Resource Management in Heterogeneous Quantum Repeater Networks
Proposes a heterogeneous quantum repeater network architecture using recursive designs and RuleSets with a new bridging building block, but states that full-scale resource trade-off analysis remains future work.
-
Quantum average correlations and complementarity relations via metric-adjusted skew information
Averaging quantum correlations over mutually unbiased bases, all orthonormal bases, operator bases, and unitary twirling via metric-adjusted skew information yields one intrinsic closed expression, enabling complementarity relations among wave-particle features, entropy, and average correlation.
-
Empirical Investigation of Quantum Computing Toolchains and Algorithms : Mining Stack Overflow Repository
Analysis of Stack Overflow posts identifies hybrid quantum-classical computing and quantum circuit implementation as the top discussion topics, with Qiskit and Grover's algorithm most referenced, and varying difficulty levels across topics.
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Generation of concurrence in a generalized central spin model with a three-spin interacting environment
Three-spin interactions enable maximal concurrence near multicritical points and sustain entanglement for intra-phase quenches in a central spin model.
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A Deficiency-Based Approach for the Operational Interpretation of Quantum Resources with Applications
The paper defines a geometric deficiency measure relative to maximal resource states and claims it exactly quantifies the operational disadvantage in subchannel discrimination.
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Non-Markovian Light-Matter Dynamics in the Time Fractional Jaynes-Cummings Model with Modulated Coupling
Fractional time Schrödinger equations applied to the time-dependent Jaynes-Cummings model introduce non-Markovian memory that damps oscillations, controls entanglement, and preserves non-periodic dynamics under sinusoidal coupling.
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Security of deterministic key distribution with higher-dimensional systems
Higher-dimensional two-way QKD protocols using mutually unbiased bases and Heisenberg-Weyl operators yield secret keys for stronger individual attacks and improved robustness to collective eavesdropping via entropic uncertainty relations.
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From spin squeezing to fast state discrimination
In the large-N limit, spin squeezing torsion yields a nonlinear qubit governed by the two-state Gross-Pitaevskii equation that solves single-input state discrimination on the Bloch sphere.
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Optimal convex approximation of quantum channels based on $\alpha$-affinity
Presents optimization framework and closed-form solutions for convex approximation of quantum channels under α-affinity metric for SU(2)-covariant, Pauli, and amplitude-damping cases.
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Characterizing quantum correlations and quantum teleportation in $gg \to t\bar{t}$ and $q\bar{q} \to t\bar{t}$ processes under noisy channels
Quantum teleportation using noisy top-quark pairs stays above the classical fidelity threshold of 2/3.
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Quantum Entanglement in the Dirac Field Quantization around Charged Black Holes
Electric charge of a Reissner-Nordström black hole enhances decoherence of Dirac entanglement inside the horizon but can temporarily boost accessible entanglement outside, while Hawking radiation transfers correlations to inaccessible regions causing apparent loss for external observers.
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Dimeric Perylene-Bisimide Organic Molecules: Fractional-Time Control of Quantum Resources
Fractional time order modulates coherence, entanglement, and nonlocality in dimeric PBI molecules via dipole-dipole interactions.
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Dephasing Effects on the Dynamical Evolution of Quantum Correlations and Coherence in Neutrino Oscillations
In neutrino oscillations treated as open quantum systems, coherence outlasts steering and negativity under amplitude damping, phase flip, and phase damping, showing memory-induced revivals in non-Markovian regimes.
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Optimizing Quantum Entanglement Preservation in a Qubit Qubit System with Dzyaloshinskii Moriya Interaction under Noisy Magnetic Fields via Feedback Control
Proportional-integral feedback on DM coupling strength doubles time-averaged negativity under colored noise and yields 2.5 times better sensitivity than the shot-noise limit in quantum metrology simulations.
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Resource Estimation for VQE on Small Molecules: Impact of Fermion Mappings and Hamiltonian Reductions
Fermion mappings combined with Z2 tapering and frozen-core approximations reduce qubit counts by up to 50%, gate counts by up to 27.5x, and Pauli strings by up to 2.75x for VQE on small molecules.
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Unitary dynamics and resource trade-offs in a four-qubit isotropic Heisenberg XXX chain with tunable next-nearest-neighbor coupling
The claimed φ-only exact dynamics are invalid: Eqs. (7)-(8) do not imply Eq. (10), and the partial trace in Appendix B omits the |0001⟩ and |0010⟩ components.
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Quantum Complexity and New Directions in Nuclear Physics and High-Energy Physics Phenomenology
A review of how quantum information science is expected to provide new tools and insights for nuclear and high-energy physics phenomenology and quantum simulations.
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Quantum Dynamics in Krylov Space: Methods and Applications
Krylov subspace methods efficiently describe quantum evolution, operator growth, and chaos in many-body systems, with metrics like Krylov complexity and applications in open systems, QFT, and quantum computing.
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Quantum Computing : A New Frontier for Science and Society
A review surveying quantum computing hardware platforms, control layers, error correction, and software stacks as of 2023–2025.