Input phase noise in Gaussian Boson samplingGaussian boson sampling is an important protocol for testing the performance of photonic quantum simulators. As such, various noise sources have been investigated that degrade the operation of such…Magdalena Parýzková, Craig S. Hamilton, Igor Jex et al.·Aug 5, 2026SaveLearn
Benchmarking neutral atom-based quantum processors at scaleIn recent years, neutral atom-based quantum computation has been established as a competing alternative for the realization of fault-tolerant quantum computation. However, as with other quantum…Andrea B. Rava, Kristel Michielsen, J. A. Montanez-Barrera·Aug 5, 2026SaveLearn
Measurement-induced entanglement in noisy 2D random circuitsWe study measurement-induced entanglement (MIE) generated by column-by-column sampling of noisy 2D random circuits of size N and depth T. Focusing primarily on Clifford circuits and using the…Zhi-Yuan Wei, Jon Nelson, Joel Rajakumar et al.·Aug 5, 2026SaveLearn
Tensor Networks as an Explicit Interface for Quantum Block-EncodingsTensor networks (TNs) give explicit classical descriptions of structured finite linear maps, while block-encodings (BEs) are the standard quantum access model for such maps. We establish TNs as a…Sebastian Issel·Aug 5, 2026SaveLearn
Spin Glass Transitions Obstruct Decoded Quantum InterferometryQuantum algorithms are believed to offer advantages in solving certain hard discrete optimization problems, yet identifying when such advantages persist in explicit distributions of problem instances…Eric R. Anschuetz, David Gamarnik, Jonathan Z. Lu·Aug 5, 2026SaveLearn
A quantum algorithm for modular flowEntanglement is a defining property of quantum systems. For a subsystem of a larger quantum system, one can formally define an operator known as the modular Hamiltonian, which is closely linked to…Ian T. Lim, Isaac H. Kim·Aug 5, 2026SaveLearn
Approximating fixed size quantum correlations in polynomial timeWe show that -additive approximations of the optimal value of fixed-size two-player free games with fixed-dimensional entanglement assistance can be computed in time…Julius A. Zeiss, Gereon Koßmann, Omar Fawzi et al.·Aug 5, 2026SaveLearn
Running Quantum Computers in Discovery ModeUsing a 36-qubit quantum processor, we demonstrate that, by operating in conjunction with a classical machine learning agent, quantum computers can discover instances of interesting quantum many-body…Aydin Deger, Benedikt Placke, G. J. Sreejith et al.·Aug 5, 2026SaveLearn
Catalytic z-rotations in constant T-depthWe show that the T-depth of any single-qubit z-rotation can be reduced to 3 if a certain catalyst state is available. To achieve an ε-approximation, it suffices to have a catalyst state of…Isaac H. Kim·Aug 5, 2026SaveLearn
Deterministic Quantum Search for Arbitrary Initial Success ProbabilitiesUnstructured search remains one of the significant challenges in computer science, as classical search algorithms become increasingly impractical for large-scale systems due to their linear time…Harishankar Mishra, Asvija Balasubramanyam, Gudapati Naresh Raghava·Aug 5, 2026SaveLearn
Circuit Design based on Feature Similarity for Quantum Generative ModelingQuantum generative models are among the most promising candidates for a practical application of near-term quantum devices. However, current approaches mostly rely on general-purpose circuits, such…Mathis Makarski, Jumpei Kato, Yuki Sato et al.·Aug 5, 2026SaveLearn
A quantum entropy production operatorWe introduce a fully quantum notion of entropy production based on the non-commutative extension of the classical log-ratio between forward and reverse processes. Given a pair of quantum objects…Ge Bai, Francesco Buscemi, Valerio Scarani·Aug 5, 2026SaveLearn
A general recursion for integrals involving products of Hermite polynomials and its applicationsThis study presents the derivation of a recursive formula for integrals of products of N Hermite polynomials, establishing a numerically stable scheme for their accurate evaluation in computer…Tran Duong Anh-Tai, Phan Quang Son, Le Minh Khang et al.·Aug 5, 2026SaveLearn
An Interpretation of Bunched Logic for Reasoning about Heap-Manipulating Quantum ProgramsWe introduce heap manipulation into quantum programming languages to enable flexible quantum memory management, which in turn poses new challenges for reasoning about program correctness. To address…Bonan Su, Li Zhou, Yuan Feng et al.·Aug 5, 2026SaveLearn
Photon-Blockade Analogue Nonreciprocal Absorption in Spatiotemporal MetasurfacesControlling the flow of electromagnetic energy is essential for advancing quantum technologies. We introduce a spatiotemporally modulated superconducting metasurface that exhibits…Sajjad Taravati·Aug 5, 2026SaveLearn
Linear gate bounds against natural functions for position-verificationA quantum position-verification scheme attempts to verify the spatial location of a prover. The prover is issued a challenge with quantum and classical inputs and must respond with appropriate…Vahid Asadi, Richard Cleve, Eric Culf et al.·Aug 5, 2026SaveLearn
Timeless Histories: Quantum Measurement and the Maximum Entropy PrincipleThe quantum measurement problem, i.e. the apparent conflict between unitary quantum evolution and non-unitary, stochastic wave-function collapse, remains unresolved a century after the formulation of…Alexei V. Tkachenko·Aug 5, 2026SaveLearn
Efficient Graph State Generation in Linear OpticsGraph states are central resources for quantum information processing, supporting applications in computation, communication, and error correction. In photonic systems, they are typically assembled…Seungbeom Chin, William John Munro·Aug 5, 2026SaveLearn
Single photon wavefront characterization by optical mixingOptical mixing experiments show the ability of amplifying a weak optical signal by superposing it with a stronger one. This principle has been demonstrated also for weak signals at the quantum level,…Shlomo Ruschin·Aug 5, 2026SaveLearn
Shor's Conjecture Is True: Projective Measurements Suffice for Binary Accessible InformationShor conjectured that a von Neumann measurement attains the accessible information of every binary quantum ensemble. We prove the conjecture constructively in arbitrary finite dimension. For every…Sunghyeon Jo·Aug 4, 2026SaveLearn
Local Uniqueness of the Born Rule on Categories with Complex-Weighted MorphismsI prove a local uniqueness theorem for the Born rule in the setting of quiver-generated categories equipped with complex morphism weights and path-amplitude probability functionals. Given (i)…Tayfun Ustun·Aug 4, 2026SaveLearn
Measurement-based simulation of lattice gauge theory dynamics with adaptive quantum circuits on a trapped-ion processorMeasurement-based quantum simulation (MBQS)---a recently proposed architecture for simulating lattice gauge theories---implements Hamiltonian dynamics by consuming a model-specific entangled resource…Hiroki Sukeno, Enrico Rinaldi, Takuya Okuda·Aug 4, 2026SaveLearn
Poisson-Compiled Quantum Singular Value Transformation for Power-Exponential DissipationWe study quantum implementations of the contraction (-T Hα) for H=H0 and α>0. Poisson summation provides an exact target--alias--tail decomposition whose Fourier samples are…Chao Wang, Xi-Ning Zhuang, Menghan Dou et al.·Aug 4, 2026SaveLearn
Dynamical Lie Algebras Cannot Describe Shallow QAOA: Cragged Terrains, Barren Plateaus, and Empirical Hardness ModelsThe dynamical Lie algebraic (DLA) theory of variational quantum algorithms (VQAs) predicts commonplace exponentially vanishing loss and gradient variances for sufficiently deep parametrized circuits.…Harrison Copp, Charlton Li, Anžej Margeta-Cacace et al.·Aug 4, 2026SaveLearn
Applications of Spin-Dependent Generalized Squeezing in Hybrid Spin-Oscillator Quantum ProcessorsGeneralized squeezing interactions are foundational to quantum optics, and have recently come under experimental control in hybrid spin-oscillator quantum processors [O. Băzăvan, et al., Nat. Phys.…Kai Shinbrough, Donovan J. Webb, Iver R. Øvergaard et al.·Aug 4, 2026SaveLearn