The QuantumJournal

arXiv Observation of Tunable Superradiant Frequency Combs Apr 17, 2026 arXiv Optimal Quantum Logarithmic Trace Inequality Apr 17, 2026 arXiv Photonic state engineering via energy-level crossing by giant atoms in topological waveguide QED setup Apr 17, 2026 arXiv Spectroscopic measurement of the Casimir-Polder force in the intermediate regime Apr 17, 2026 arXiv Quantum Mpemba Effect in Non-Equilibrium Quantum Thermometry Apr 17, 2026 arXiv Activating entanglement and EPR steering from continuous-variable resources using witness-based measures Apr 17, 2026 arXiv Integrable, Mixed, and Chaotic Dynamics in a Single All-to-All Ising Spin Model Apr 17, 2026 arXiv Coherence dynamics in quantum algorithm for linear systems of equations Apr 17, 2026 arXiv Time-Dependent Logarithmic Perturbation Theory for Quantum Dynamics: Formulation and Applications Apr 17, 2026 arXiv Quantum Thermometry of External Phonon Reservoirs in Driven Open Quantum Systems Apr 17, 2026 arXiv Split-Evolution Quantum Phase Estimation for Particle-Conserving Hamiltonians Apr 17, 2026 arXiv Learning to Concatenate Quantum Codes Apr 17, 2026 arXiv Introducing a novel $Z_{4n}$-detection scheme to enhance the performance of quantum LiDAR systems Apr 17, 2026 arXiv Floquet dynamical quantum phase transitions in periodically flux-quenched systems Apr 17, 2026 arXiv Quantum gravimetry with mechanical qubits Apr 17, 2026 arXiv Three ways to share a QPU: Scheduling strategies for hybrid Quantum-HPC applications Apr 17, 2026 arXiv Ultrafast all-optical quantum teleportation Apr 17, 2026 arXiv Unconventional Photon Blockade in a Symmetrically Driven Nonlinear Dimer Apr 17, 2026 arXiv Recurrence Time for Finite Quantum Systems Apr 17, 2026 arXiv Investigating Spectral Dynamics and Spin Signatures of a Mechanically Isolated Quantum Emitter in hBN Apr 17, 2026 arXiv Runtime-efficient zero-noise extrapolation from mixed physical and logical data Apr 17, 2026 arXiv Hidden Quantum Advantage near the Decoding Threshold of Decoded Quantum Interferometry Apr 17, 2026 arXiv Entanglement quantification with randomized measurements is maximally difficult Apr 17, 2026 arXiv A NISQ-friendly Coined Quantum Walk Algorithm for Chaos-based Cryptographic Applications Apr 17, 2026 arXiv SyQMA: A memory-efficient, symbolic and exact universal simulator for quantum error correction Apr 17, 2026 arXiv GAT-QNN: Genetic Algorithm-Based Training of Hybrid Quantum Neural Networks Apr 17, 2026 arXiv Hardware Validation of DAGI via a Modular "Ridge" Signature and High-Order Synergistic Information Apr 17, 2026 arXiv Quantum instanton approach to metastable collective spins Apr 17, 2026 arXiv QLLVM: A Scalable Quantum-Classical Co-Compilation Framework based on LLVM Apr 17, 2026 arXiv O3LS: Optimizing Lattice Surgery via Automatic Layout Searching and Loose Scheduling Apr 17, 2026 arXiv Low-rank geometry of two-qubit gates Apr 17, 2026 arXiv General Static Solutions of the SU(2) Yang-Mills Equations from a Spin Vector Potential Apr 17, 2026 arXiv Constraints on phantom codes from automorphism group bounds Apr 17, 2026 arXiv Coherent control of optomechanical entanglement and steering via dual parametric amplification Apr 17, 2026 arXiv Quantum Metropolis-Hastings via Penalised Qubitized Walks: Spectral Filtering and Circuit Implementation Apr 17, 2026 arXiv Variational quantum state preparation within an entangle-rotate circuit framework for quantum-enhanced metrology in noisy systems Apr 17, 2026 arXiv Simulation of quantum annealing on a semiconducting cQED device for Multiple Hypothesis Tracking (MHT) benchmark Apr 17, 2026 arXiv Optimal algorithmic complexity of inference in quantum kernel methods Apr 17, 2026 arXiv Universal quantum state purification with energy-preserving operations Apr 17, 2026 arXiv IQP circuits for 2-Forrelation Apr 17, 2026 arXiv General framework for anticoncentration and linear cross-entropy benchmarking in photonic quantum advantage experiments Apr 17, 2026 arXiv Computing the free energy of quantum Coulomb gases and molecules via quantum Gibbs sampling Apr 17, 2026 arXiv Assembling Extensive Quantum Fisher Information in Stabilizer Systems Apr 17, 2026 arXiv Cloning is as Hard as Learning for Stabilizer States Apr 17, 2026 arXiv Generation of Schr\"odinger cat-like states via degenerate dual pump spontaneous four-wave mixing in a $\chi^{(3)}$ microring resonator Apr 17, 2026 arXiv Super-Constant Weight Dicke States in Constant Depth Without Fanout Apr 17, 2026 arXiv Ensembles of random quantum states tunable from volume law to area law Apr 17, 2026 arXiv Heuristic Search for Minimum-Distance Upper-Bound Witnesses in Quantum APM-LDPC Codes Apr 17, 2026 arXiv Magic and Non-Clifford Gates in Topological Quantum Field Theory Apr 17, 2026 arXiv Generalized Complexity Distances and Non-Invertible Symmetries Apr 17, 2026 arXiv Quantum-inspired tensor networks in machine learning models Apr 17, 2026 arXiv Hofstadter's Butterfly in AdS$_3$ Black Holes Apr 17, 2026 arXiv Hydrodynamic Analog of the Klein Paradox: Vacuum Instability and Pair Production in a Linear Elastic Medium Apr 17, 2026 arXiv Double-scaled bosonic and fermionic embedded ensembles, complex SYK, and the dual Hilbert space Apr 17, 2026 arXiv The Two Orbital, Interacting Hatano-Nelson Model Apr 17, 2026 arXiv Quantum Landscape of Superconducting Diodes Apr 17, 2026 arXiv Observation of Restored Adiabatic State Transfer in Time-Modulated Non-Hermitian Systems Apr 17, 2026 arXiv Level statistics of the disordered Haldane-Shastry model with $1/r^\alpha$ interaction Apr 17, 2026 arXiv Mean-field phase diagrams of spinor bosons in an optical cavity Apr 17, 2026 arXiv Toroidal Plasmonic Nanodimers for Enhanced Near-Infrared Emission in Heterostructured InP Quantum Dots Apr 17, 2026 arXiv Thermodynamic Geometry of Relaxation Apr 17, 2026 arXiv A minimal implementation of Yang--Mills theory on a digital quantum computer Apr 17, 2026 arXiv Minimum energy and photon content in PT symmetric metamaterials Apr 17, 2026 arXiv How Embeddings Shape Graph Neural Networks: Classical vs Quantum-Oriented Node Representations Apr 17, 2026 arXiv Generating photons from vacuum with counter rotating wave interaction Apr 17, 2026 arXiv Quantum Thermodynamics Apr 17, 2026 arXiv An efficient explicit implementation of a near-optimal quantum algorithm for simulating linear dissipative differential equations Apr 17, 2026 arXiv Thermodynamic limits of the Mpemba effect: A unified resource theory analysis of correlation-enabled mechanisms Apr 17, 2026 arXiv Holonomic quantum computation: a scalable adiabatic architecture Apr 17, 2026 arXiv Collapse-based models for gravity do not violate the entanglement-based witness of non-classicality Apr 17, 2026 arXiv Non-Abelian Extensions of the Dirac Oscillator: A Theoretical Approach Apr 17, 2026 arXiv Variational subspace methods and application to improving variational Monte Carlo dynamics Apr 17, 2026 arXiv Quantum recurrences and the arithmetic of Floquet dynamics Apr 17, 2026 arXiv Quantum Walk on a Line with Absorbing Boundaries Apr 17, 2026 arXiv Generation of Quantum Entanglement in Autonomous Thermal Machines: Effects of Non-Markovianity, Hilbert Space Structure, and Quantum Coherence Apr 17, 2026 arXiv Unquestionable Bell theorem for interwoven frustrated down conversion processes Apr 17, 2026 arXiv Retrocausal capacity of a quantum channel Apr 17, 2026 arXiv Strong-to-weak spontaneous symmetry breaking of higher-form non-invertible symmetries in Kitaev's quantum double model Apr 17, 2026 arXiv Access to Klein Tunneling via Space-Time Modulation Apr 17, 2026 arXiv Variational Thermal State Preparation on Digital Quantum Processors Assisted by Matrix Product States Apr 17, 2026 arXiv Entanglement-assisted circuit knitting: Distributed quantum computing using limited entanglement resources Apr 17, 2026 arXiv Revivals and quantum carpets for the relativistic Schr\"odinger equation Apr 17, 2026 arXiv Trade-off between complexity and energy in quantum phase estimation Apr 17, 2026 arXiv Exact Floquet dynamics of strongly damped driven quantum systems Apr 17, 2026 arXiv Finite-size quantum key distribution rates from R\'enyi entropies using conic optimization Apr 17, 2026 arXiv Skeleton of isometric Tensor Network States for Abelian String-Net Models Apr 17, 2026 arXiv Lazy Quantum Walks with Native Multiqubit Gates Apr 17, 2026 arXiv Hilbert space signatures of non-ergodic glassy dynamics Apr 17, 2026 arXiv Zero-Error List Decoding for Classical-Quantum Channels Apr 17, 2026 arXiv Quantum-Enhanced Convergence of Physics-Informed Neural Networks Apr 17, 2026 arXiv Entanglement percolation in random quantum networks Apr 17, 2026 arXiv Phases of matrix-product states with symmetries and measurements: Finite nilpotent groups Apr 17, 2026 arXiv Heralded entangled state generation enhanced by photon addition and subtraction Apr 17, 2026 arXiv End-to-end performance of quantum-accelerated large-scale linear algebra workflows Apr 17, 2026 arXiv Benchmarking quantum simulation with neutron-scattering experiments Apr 17, 2026 arXiv Kinematic Emergence of the Page Curve in a Local Transverse-Field Ising Model Apr 17, 2026 arXiv An HHL-Based Quantum-Classical Solver for the Incompressible Navier-Stokes Equations with Approximate QST Apr 17, 2026 arXiv Securing Elliptic Curve Cryptocurrencies against Quantum Vulnerabilities: Resource Estimates and Mitigations Apr 17, 2026 arXiv A Factorization Identity for Twisted Multinomial Coefficients with Application to Pilot States in Hamiltonian Decoded Quantum Interferometry Apr 17, 2026 arXiv Learning and Generating Mixed States Prepared by Shallow Channel Circuits Apr 17, 2026 arXiv Many-Body Super- and Subradiance in Ordered Atomic Arrays Apr 17, 2026 arXiv A Bundle Isomorphism Relating Complex Velocity to Quantum Fisher Operators Apr 17, 2026 arXiv Tsallis relative $\alpha$ entropy of coherence dynamics in Grover's search algorithm Apr 17, 2026 arXiv Engineering of Anyons on M5-Probes via Flux Quantization Apr 17, 2026 arXiv Squeezed Quasinormal Modes from Nonlinear Gravitational Effects Apr 17, 2026 arXiv Higher-form entanglement asymmetry and topological order Apr 17, 2026 arXiv Long-range resonances in quasiperiodic many-body localization Apr 17, 2026 arXiv Quantum phase transition in transverse-field Ising model on Sierpi\'nski gasket lattice Apr 17, 2026 arXiv Crossover from Quantum Chaos to a Reversed Quantum Disentangled Liquid in a Disorder-Free Spin Ladder Apr 17, 2026 arXiv First-Principles Electronegativity Scale from the Atomic Mean Inner Potential Apr 17, 2026 arXiv Violating the All-or-Nothing Picture of Local Charges in Non-Hermitian Bosonic Chains Apr 17, 2026 arXiv Exceptional-point-constrained locking of boundary-sensitive topological transitions in non-Hermitian lattices Apr 17, 2026 arXiv Solving L\'{e}vy Sachdev-Ye-Kitaev Model Apr 17, 2026 QCR Alice & Bob Completes Accelerated Hiring of 100 Employees Amid Global Tech Slowdown Apr 17, 2026 QCR Algorithmiq Wins $2 Million Q4Bio Prize for Quantum-Driven Cancer Therapy Simulation Apr 17, 2026 QCR SBQuantum Secures $4M Seed Round and Appoints New CEO to Scale US Operations Apr 17, 2026 QCR Voyager and IBM Demonstrate Post-Quantum Security on the International Space Station Apr 17, 2026 TQI Alice & Bob Expands Workforce to 251 Employees Apr 16, 2026 TQI Arqit Named Scaleup Partner by Tomorrow Street Apr 16, 2026 TQI The Next Cyber Threat Isn’t Coming. It’s Waiting Apr 16, 2026 TQI Illinois Quantum Park Appoints Oscar Bedolla as Chief Strategy Officer Apr 16, 2026 TQI 2026 Global Quantum and AI Challenge Launches to Accelerate Practical Enterprise Use Cases Apr 16, 2026 TQI SBQuantum Closes Oversubscribed $4 Million Seed Round, Announces New CEO And U.S. Expansion Apr 16, 2026 TQI Horizon Quantum and AQT Partner on Quantum Software and Hardware Integration Apr 16, 2026 TQI Wellcome Leap Announces $2 Million Prize in $50 Million Quantum for Bio Challenge Program Apr 16, 2026 QCR Andhra Pradesh Launches India’s First Open-Access Quantum Testbeds Apr 16, 2026 TQI Quantum eMotion and Krown Partner on Quantum Security for Crypto Infrastructure Apr 16, 2026 TQI ParityQC Demonstrates 52-Qubit Quantum Fourier Transform on IBM Hardware Apr 16, 2026 QCR ParityQC and IBM Demonstrate 52-Qubit Quantum Fourier Transform on Heron Architecture Apr 16, 2026 QCR PraktiQOM Project Launched to Advance Quantum Optimization in Semiconductor Manufacturing Apr 16, 2026 QCR PsiQuantum Partners with University of Tokyo and Mitsubishi Chemical for Japanese Workforce Training Apr 16, 2026 QCR Quantum eMotion and Krown Technologies Form Exclusive Alliance for Quantum-Secure Crypto Infrastructure Apr 15, 2026 QCR Horizon Quantum and AQT Form Strategic Hardware–Software Collaboration Apr 15, 2026