Investigation of fundamental principles of dynamically decoupled radio-frequency gates leads to an improved understanding of the control limits and applications in sensing and multiqubit registers.

An optical tweezer array in a cryogenic environment demonstrates new capabilities for long-lived Rydberg atom arrays.

A novel scheme for generating entangled photons in the microwave domain using a circuit QED architecture has the potential to be a powerful resource for quantum technologies.

A spectroscopy technique achieves unprecedented resolution in detecting nuclear spins within dense baths, unlocking microscopic insights into their interaction with the surrounding magnetic environment.

The rapidly evolving field of chiral quantum optics is explored, showing developments and future opportunities in engineering asymmetric light-matter interactions for probing exotic quantum many-body effects.

A quantum sensor built with a superconducting parametric Kerr resonator, operating near a second-order dissipative phase transition, enables more precise metrological protocols.

Sparse Pauli dynamics is shown to effectively simulate real-time operator evolution in quantum circuits, competing with tensor-network methods and enabling quench dynamics studies in 2D and 3D transverse-field Ising models.

Following experimental efforts to observe a driven-dissipative phase transition in a strongly optically driven atomic ensemble, theoretical work suggests that such a system instead exhibits a “phase separation.”

A new photonic architecture with high resource efficiency and high tolerance to the most relevant types of noise makes scalable and practical computing with quantum emitters more feasible.

A randomized benchmarking method for passive bosonic operations provides characterization for continuous-variable systems that also estimates average particle loss and is robust to state preparation and measurement errors.

A performance analysis of quantum optimization algorithms applied to combinatorial problems encoded in Rydberg atom arrays uncovers quantum-induced bottlenecks and proposes quantum-aware modifications to the encoding strategies to circumvent these issues.

By combining new benchmarks centering the entangling power of a device and a detailed noise model, this paper will help experimentalists design architectures for quantum computation with spin qubits.

An algorithm with sublinear resource scaling in the number of observables and Heisenberg-limited precision brings quantum-enhanced measurements of multiple observables within reach.

Investigation of fundamental principles of dynamically decoupled radio-frequency gates leads to an improved understanding of the control limits and applications in sensing and multiqubit registers.

The computational complexity of 2D isometric tensor-network states is determined through a dual representation in terms of 1D open systems.

A novel class of secure, device-independent quantum key distribution protocols based on routed Bell tests is proposed, extending the range of optics-based key distribution protocols that seamlessly integrate into existing experimental setups.

For the problem of finding ground-state energy of a local Hamiltonian, new complexity results help to bring more clarity to the boundary of quantum advantage.

Theory and experiment show that strong quantum nonlocality in a triangle network can exist even in the presence of correlations between sources.

Successful recovery of secrets embedded in cryptographic schemes presents new limitations on regimes where verified quantum advantage is possible.

Generalization of a long-held quantum verification scheme demonstrates security against prior vulnerabilities and known attacks.

Differences between causal and noncausal backflows lead to a convex resource theory of genuine quantum non-Markovianity.

A novel machine-learning-based approach can construct a local hidden-variable model for arbitrary multipartite entangled states, enabling a quantitative determination of nonlocality regimes in any given physical context.

A novel platform combines a high-coherence microwave cavity with a fluxonium qubit, enabling seamless $in$ $situ$ tuning of interaction across its full range via magnetic-field adjustments, without additional elements or drives.

By using tensor-network techniques to compress the single-particle wave functions, the initial state preparation for the simulation of molecular systems in first quantization is accelerated.

Time-reversal symmetry breaking in quantum-probe dynamics provides a novel sensing paradigm for detecting out-of-equilibrium and quantum non-Gaussian environments.

Nonequilibrium signatures of partially occupied lowest Landau levels
in fractional quantum Hall systems enable the exploration of
fracton hydrodynamics.

A framework of pseudorandomness for mixed states is introduced, with implications on how efficiently one can test, or observe, entanglement, magic, and coherence.

Circumventing recent no-go theorems, this work shows that a logarithmic amount of quantum memory is sufficient to give exponential advantages in the task of learning the structure of Pauli-noise channels.

Two distinct phases—entanglement dominated and magic dominated—in Hilbert space are separated by a computational separation yet provide a unifying framework for understanding quantum behavior.

A new connection between error mitigation and error correction improves the quality of computation without requiring detailed knowledge of target states or noise models.

Robust and time-efficient error correction of transversal logical gates between code blocks presents a route toward practical, large-scale implementations.

Faster preparation of ground-state approximations plus more efficient sampling of those prepared states yields a method to reliably estimate the ground-state energy of complex chemical systems.

Experimental investigation of the topology near exceptional points yields insights into non-Hermitian topological structures and the use of dynamic operations to manipulate quantum states.

Embedding a double quantum dot in parallel with a transmon provides promising qubit properties, including coherent manipulations through dot gates and suitability with a broad range of material platforms.

Gate- and depth-optimized nondeterministic fault-tolerant state-preparation circuits can be automatically generated for CSS codes.

Low-overhead error detection implemented at the physical level can offer cost savings compared to full-scale quantum error correction and improve the fidelities of a new protocol for long-range entangling gates.

A new protocol to obtain a spin-1 Haldane phase in a chain of Rydberg atoms reveals robust topological order and fractionalized edge states that are accessible with current experimental techniques.

A holographic duality is established, providing a new framework to explore intrinsic mixed-state symmetry-protected topological phases unique to open quantum systems, with no pure-state analogues.

A universal gate set made of local single-qubit gates and entangling gates in a zoned architecture for ground-state nuclear-spin qubits is benchmarked, showing high-fidelity operation in a scalable system.

Two rigorous measures of causal strength in quantum processes are introduced, revealing deep ties to key quantum information tasks like channel capacity and approximate quantum error correction.

A superconducting transmon operating at 72 GHz is the highest-frequency qubit measured to date, enabling quantum experiments near 1 K and thus more accessible, high-energy superconducting quantum technologies.

An optical tweezer array in a cryogenic environment demonstrates new capabilities for long-lived Rydberg atom arrays.

A new study on fault-tolerant realization of complex sampling circuits provides powerful tools for the codesign of algorithms with error-correction codes and hardware properties.

A novel scheme for generating entangled photons in the microwave domain using a circuit QED architecture has the potential to be a powerful resource for quantum technologies.

A robust semi-device-independent toolbox for the characterization of multiphoton indistinguishability is demonstrated on a hybrid photonic platform.

A new work shows that the quantum nature of the interaction-mediating photons can significantly alter two-body scattering and even shift the critical behavior of superconducting phase transitions.

A numerical framework leveraging the generalized entropy-accumulation theorem enhances finite-size corrections in security proofs, advancing the practicality of quantum key distribution.

Conservation laws shape deep thermalization in quantum many-body systems, giving rise to universal wave-function distributions determined by initial charge fluctuations and measurement choices.

A spectroscopy technique achieves unprecedented resolution in detecting nuclear spins within dense baths, unlocking microscopic insights into their interaction with the surrounding magnetic environment.

Careful engineering of the coupling between the readout and filter resonators in a superconducting measurement circuit eliminates a qubit decay pathway and enables fast, high-fidelity, multiplexed readout.

Quantum state tomography for states that vary with parameters such as time or control settings attains new capabilities in characterization of evolving quantum states.

Off-resonant driving of a fixed-frequency superconducting qubit system enables the generation of frequency-tunable shaped single microwave photons without additional circuit elements.

A new study highlights how the method of compiling virtual-$Z$ gates on a NISQ device can enhance overall gate performance, with particular benefits for correct implementation of dynamical decoupling sequences and, more broadly, quantum circuits.

Qutrits are used to efficiently encode and process quantum information in a symmetry-protected topological phase, reducing both the physical resources and the number of gates compared to a qubit implementation.

Dynamic atom positioning, dynamic control beams with flattop profiles, and zero noise extrapolation combine to enable simulations of many-body physics.

New research shows that by jointly considering energy and time constraints under noise, quantum protocols using Fock states can surpass classical methods in parameter estimation, particularly achieving superior scaling for temperature measurements.

A tensor light shift allows for the targeted control of states within the nuclear-spin manifold of strontium-87, enabling its use as a quantum resource beyond merely encoding a qubit.

A catalyst framework for transforming between symmetry-protected topological phases offers new insights into their structure and efficient methods for preparing them.

A novel approach introduces a family of dynamical decoupling (DD) sequences, offering an exponential reduction in circuit depth compared to previously known multiqubit DD methods.

A powerful quantum measurement framework enables syndrome extraction and logical readout, paving the way for new quantum error-correction protocols.

Performing magic state distillation at the physical qubit level can reduce space and time overhead compared to performing distillation at the logical qubit level.

Using a ring-theoretic approach, new quantum low-density parity-check codes are systematically constructed, and their performance under twisted boundary conditions is demonstrated.

Double microwave shielding is theoretically established as a universal and tunable method to suppress losses and control interactions in ultracold polar molecules.

Quantized transport persists despite disorder and gap closing in a driven quasiperiodic system, revealing a robust route to engineer topological many-body states with high Chern numbers.

A hybrid algorithm leverages quantum hardware and tensor networks to suppress simulation errors, outperforming either method alone.

A new computational method provides access to spatially resolved photon statistics in arbitrary electromagnetic environments, paving the way for quantum light engineering in complex nanophotonic systems.