Quantum analysis of a multifrequency laser with a photonic time crystal
Protsenko and Uskov proposed and theoretically analyzed a laser incorporating a photonic time crystal to generate multiple widely separated optical frequencies.
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Bistable squeezing in a multimode circuit-quantum-acoustodynamics system
Digital Dissipative State Preparation for Frustration-Free Gapless Quantum Systems
Feldmeier, Liu, Lukin and Choi described a protocol to prepare ground states of gapless quantum many-body systems with local measurements and feedback.
Large-Scale Implementation of Quantum Subspace Expansion with Classical Shadows
Researchers reported the first large-scale implementation of quantum subspace expansion with classical shadows in Physical Review Letters.
Fast Gates for Bit-Flip Protected Superconducting Qubits
C. A. Siegele and coauthors published work on rapid operations for superconducting qubits shielded from bit flips in PRX Quantum.
Predicting Magic from Very Few Measurements
Researchers Varela et al. reported a technique to estimate nonstabilizerness in quantum systems from a limited set of Pauli measurements, reaching larger sizes than prior methods.
Geometric Optimization over Quantum State Spaces: Tight Uncertainty Relations and Resource Certification
Distributed Quantum Simulation
Tianfeng Feng and colleagues published protocols for communication-efficient distributed quantum simulation using three algorithms in Physical Review Letters.
Bayesian Phase Stabilization at the Shot-Noise Limit for Scalable Quantum Networks
Researchers from multiple Chinese institutions published a Bayesian method for optical phase stabilization at the shot-noise limit in quantum networks in Physical Review Letters.
Time-Dependent Wave-Packet Approach to Reactions for Quantum Computation
Evan Rule and Ionel Stetcu described a finite-lattice wave-packet method that obtains scattering matrices for nuclear or chemical reactions using only initial-state preparation and unitary time evolution.
Optical Poling of a Quantum Ferroelectric Metal across the Order-Disorder Phase Transition
Researchers reported optical poling of a quantum ferroelectric metal across its order-disorder phase transition in Physical Review Letters.
Structural control of two-level defect density revealed by high-throughput correlative measurements of Josephson junctions
A paper in npj Quantum Information reports structural methods to adjust densities of two-level defects in Josephson junctions, based on extensive correlated measurements.
Genuine continuous quantumness
npj Quantum Information published an article on continuous quantum properties online on 14 October 2026.
Refinements of the Eigenstate Thermalization Hypothesis under Local Rotational Invariance via Free Probability
Multipartite Mixed-Species Entanglement over a Quantum Network
Researchers published generation of multipartite entangled states involving two to four trapped-ion qubits distributed over a photonic fiber link.
Photon-Statistics Time Delay in Quantum Attosecond Photoelectron Interferometry
Li et al. reported in Physical Review Letters that photoelectron interference reveals properties of quantum light via an apparent attosecond time shift.
High-Performance Quantum Frequency Conversion from Ultraviolet to Telecom Band
Researchers reported efficient quantum frequency conversion linking ultraviolet and telecom wavelengths in Physical Review Letters.
Mirror subspace diagonalization: a real-time quantum Krylov algorithm with near-optimal sampling cost
A paper on mirror subspace diagonalization for real-time quantum Krylov methods was published in npj Quantum Information.
Exponential advantage in continuous-variable quantum state learning
npj Quantum Information published a paper reporting exponential advantage for learning continuous-variable quantum states.
A quantitative model for embedding quantum-secure communications and evaluating communication autonomy in industrial control systems
Researchers published a study in npj Quantum Information that introduces a numerical framework to incorporate quantum-protected data exchange within factory automation setups while gauging their self-sufficiency.
Information-Theoretic Principle of Emergent 1-Form Symmetries
Liu, Xu, Pollmann and Knap published in PRX Quantum a method that uses quantum error correction decoders to detect emergent 1-form symmetries and phase transitions in many-body systems.
Coupling Free Electrons to a Trapped-Ion Quantum Computer
A journal article reports coupling free electrons to a trapped-ion quantum computer.
Kink-Boundary-Induced Polarity Revealed by Nonreciprocal Charge Transport in ${\mathrm{FeTe}}_{0.7}{\mathrm{Se}}_{0.3}$ Superconductor
A journal article reports nonreciprocal charge transport measurements that reveal kink-boundary-induced polarity in the FeTe0.7Se0.3 superconductor.
Non-Ohmic to Ohmic Crossover in the Breakdown of the Quantum Hall States in Graphene under Broadband Excitations
A journal article reports the non-Ohmic to Ohmic crossover in breakdown of quantum Hall states in graphene under broadband excitations.
Erratum: Faster Quantum Chemistry Simulations on a Quantum Computer with Improved Tensor Factorization and Active Volume Compilation [PRX Quantum <b>6</b>, 030337 (2025)]
PRX Quantum published an erratum correcting the paper on faster quantum chemistry simulations with improved tensor factorization and active volume compilation.
Quantum Simulation of Motzkin Spin Chains with Rydberg Atoms
Researchers simulated Motzkin spin chains using Rydberg atoms in a Physical Review Letters paper.
Hole Spin Resilient to Dipole-Induced Thermal Effects
Researchers published in PRX Quantum that a silicon hole spin avoids thermal frequency shifts at a chosen magnetic field.
Ising on the Donut: Regimes of Topological Quantum Error Correction from Statistical Mechanics
Researchers mapped the toric code exactly onto the two-dimensional Ising model to obtain analytic expressions for its logical failure rates.
Free Cumulants in Full Eigenstate Thermalization from Boundary Scrambling
Felix Fritzsch and coauthors published a PRX Quantum paper that introduces boundary scrambling to examine higher-order correlation dynamics and random-matrix features in quantum thermalization.
Multiband Dispersion and Warped Vortices of Strongly Interacting Photons
Bankim Chandra Das and coauthors published an analytical framework for multiphoton processes in Rydberg media in PRX Quantum.
Asymptotically Solvable Quantum Circuits
Pickering and Bertini published a paper in PRX Quantum on circuits whose correlations permit exact long-distance calculations.
Electrically Tunable Orbital Coupling and Quantum Light Emission from O-Band Quantum Dot Molecules
Researchers reported voltage-controlled orbital coupling in InAs/InGaAs quantum dot molecules emitting in the telecom O-band.
Theory of Quantum-Enhanced Interferometry with General Markovian Light Sources
Four authors published a framework for evaluating quantum advantages from realistic Markovian light sources in interferometry in PRX Quantum.
Protocols for a Many-Body Phase Microscope: From Coherences and $d$-Wave Superconductivity to Green’s Functions
A journal article describes protocols for a many-body phase microscope applied to coherences, d-wave superconductivity, and Green’s functions.
Experimental Neuromorphic Computing Based on Quantum Memristor
A journal article reports experimental neuromorphic computing based on a quantum memristor.
Frequency- and Amplitude-Modulated Gates for Universal Quantum Control
Qi Ding and colleagues reported a Floquet analysis approach for designing modulated quantum gates in superconducting circuits.
Fermionic Non-Gaussianity via Bell Sampling: Monotones and Efficient Quantum Algorithms
A journal published a paper on fermionic non-Gaussianity via Bell sampling and quantum algorithms.
Universal Sample Complexity Bounds in Quantum Learning Theory via Fisher Information Matrix
A journal published a paper deriving universal sample complexity bounds in quantum learning theory via the Fisher information matrix.
Quantum Simulation with Rydberg Ions in a Penning Trap
Wilson S. Martins and colleagues published a theoretical study of Rydberg ions in Penning traps in PRX Quantum.
Theory of Trotter Errors for Time-Dependent Product and Multi-product Formulas
A journal article presents the theory of Trotter errors for time-dependent product and multi-product formulas.