1157 papers
This paper reframes Quantum Neural Network design from state reachability to learnability by introducing geometric design principles and the almost Complete Local Selectivity (aCLS) criterion, demonstrating that architectures requiring joint dependence on data and trainable weights enable adaptive feature learning and outperform traditional schemes with greater efficiency.
This simulation study presents a quantum-inspired Hamiltonian feature extraction method for ADMET prediction that uses mutual information to guide entanglement, achieving state-of-the-art performance on CYP3A4 substrate prediction and improving over classical baselines on 8 out of 10 benchmarks, with results showing that quantum-derived features contribute disproportionately to model importance despite comprising only 1.6% of features.
This paper presents a highly parallel FPGA-based image reconstruction accelerator for neutral atom quantum computers that employs hardware-software co-design to achieve a 34.9× speedup over CPU baselines, significantly reducing the time overhead associated with atom detection and state measurement.
This paper introduces a NISQ-compatible, ancilla-assisted protocol using superconducting transmon qubits that enhances dark matter search sensitivity by up to ten-fold, significantly reducing integration time without relying on long-lived multi-qubit entangled states.
This paper presents a general construction for entanglement-assisted quantum codes from arbitrary quantum codes using erasure-correctable subsets, offering the first examples outside the stabilizer framework and revealing how degeneracy allows compression of the receiver's entangled share.
This study demonstrates that experimentally accessible witnesses of non-Gaussian features based on statistical moments provide rigorous lower bounds on stellar rank through a consistent hierarchy of thresholds, bridging the gap between abstract hierarchical measures and scalable experimental certification of quantum states.
This study demonstrates that embedding a single GaAs quantum dot in a dielectric metasurface enables simultaneous anti-bunched and super-bunched photon emission from neutral and charged exciton complexes, respectively, by enhancing weak charged exciton transitions to achieve comparable count rates.
This paper experimentally demonstrates a novel Quantum Key Distribution attack, termed Recovery-Induced Erasure (RIE), which exploits the count-rate-dependent recovery dynamics of single-photon detectors to covertly convert detection errors into erasures, thereby suppressing the observed quantum bit error rate below the protocol's abort threshold.
This paper presents a comprehensive review of Multiparty Quantum Key Agreement (MQKA) by organizing protocols along three axes—network architecture, quantum resources, and security models—to analyze fairness trade-offs, classify existing schemes, and propose a research roadmap for future quantum internet deployments.
This study employs a transfer-matrix framework to investigate electron transport in strained graphene subjected to electrostatic and magnetic barriers, revealing that the interplay of mechanical deformation and magnetic fields induces anomalous Klein tunnelling and enables effective modulation of electron conductance.
This paper generalizes an all-optical telecorrection protocol for higher-order cat codes, demonstrating that they achieve target performance with substantially reduced iteration counts at the cost of increased mean photon numbers, while also introducing a probabilistic scheme to correct state deformation and change the code basis.
Addressing the breakdown of Bloch's theorem in spatially varying composites, this paper establishes a foundational ab initio quantum theoretical framework for functionally graded materials that derives effective field equations for modulated Bloch states, revealing non-tensorial electromagnetic properties and enabling the predictive design of optimized electronic devices such as graded p-n junctions.
This paper demonstrates a single-pass, unfiltered source of hyperentangled photon pairs in polarization and frequency-bin degrees of freedom at telecom wavelengths, achieved by optically tailoring the joint spectral amplitude via pump and nonlinearity shaping to enable tunable state dimensions with high fidelities.
This paper introduces a phase-space complexity quantifier for discrete-variable quantum states and operations based on spin coherent states, combining Wehrl entropy and Fisher information to reveal dimension-dependent limitations and conjecture that pure states attain maximal complexity.
This work demonstrates that multiparameter critical quantum metrology in Dicke models can overcome inherent sloppiness and dissipation by leveraging higher-order quantum Fisher information contributions and triple points to achieve divergent precision scaling for multiple parameters.
This paper investigates mixed-state phases obtained by tracing out the bulk of higher-order subsystem SPTs protected by non-invertible Kramers-Wannier symmetries, revealing a "doubled average SPT" phase characterized by the coexistence of topological order and symmetry breaking that is diagnosed using interface probes.
This study utilizes high-precision Beyn’s contour-integral methods to compute extensive eigenvalue spectra of a C3-symmetric billiard, confirming distinct GOE and GUE spectral statistics across symmetry sectors and demonstrating that eigenstate localization fluctuations decay as a power-law consistent with quantum ergodicity.
This paper experimentally demonstrates that a hybrid quantum-classical algorithm (SKQD) running on an IBM quantum processor can outperform off-the-shelf classical selected configuration interaction methods in accurately finding the ground state of a specific 49-qubit sparse Hamiltonian problem.
This paper presents a simulation-driven adversarial learning framework for Quantum Key Distribution intrusion detection that models the interaction as a minimax game between a learning-based defender and a physically constrained adversary to optimize detection directly for finite-key secret-bit retention, demonstrating robust defense against adaptive side-channel attacks.
This paper provides a comprehensive review of analogue Hawking radiation in nonlinear quantum optics, outlining the theoretical concepts of the gravitational analogy and chronicling the timeline of key fiber-optical experiments from 2008 to the present.