Quasi-Non-Hermitian Edge Bursts Induced by Nonuniform LossNon-Hermitian quantum walks on lossy lattices with open boundaries can exhibit an anomalous peak of the loss probability at the boundary, known as the non-Hermitian edge burst (NHEB). This phenomenon…Ze Yang, Wei Li, Fuxiang Li·Jul 21, 2026SaveLearn
Lower Bounds on Spectral Gaps of Parent Hamiltonians via Tensor NetworksProving spectral gaps above the ground space is a central problem in quantum many-body physics. Yet, finding lower bounds on the gap is notoriously difficult. We revisit the martingale method,…Milán Ádám Rozmán, András Molnár, Norbert Schuch·Jul 21, 2026SaveLearn
How to improve the discrimination power of classically simulable measurements?Classically simulable measurements (CSMs) constitute an important class of restricted measurements in the odd-prime-dimensional magic resource theory, referring to those measurements with positive…Yiran Wang, Yongming Li·Jul 21, 2026SaveLearn
Bound Entanglement Is Insufficient for an Exponential Quantum Learning AdvantageWhile entanglement is known to enable exponential improvements in the sample complexity of quantum learning, it remains unclear which properties of entangled resources are responsible for such…Hyeongu Kang, Sangwoo Jeon, Changhun Oh·Jul 21, 2026SaveLearn
Coherent-disorder-driven complexity transitions in a quantum-advantage architectureWhile decoherence is known to erode classical hardness in quantum random sampling, the impact of coherent spatial disorder remains an open question. We study a square-lattice instantaneous quantum…Sung-Bin B. Lee, Chae-Yeun Park, Changhun Oh et al.·Jul 21, 2026SaveLearn
Collective Coherent Perfect Absorption in a Synthetic Photon-Phonon LatticeCoherent perfect absorption (CPA) has emerged as a powerful paradigm for controlling classical and quantum light, and has been demonstrated across a broad range of physical platforms. CPA realized in…Sihan Wang, Qichun Liu, Bo Song et al.·Jul 21, 2026SaveLearn
MOSAIQC: Mixed-topology-aware Optimization for Scalable Approximate noise-Informed Quantum circuit CuttingCurrent quantum computers do not yet have the required qubit resources to meet the demands of most practical quantum algorithms. To circumvent this constraint, the practice of dividing these…Koen Mesman, Yinglu Tang, Matthias Moller et al.·Jul 21, 2026SaveLearn
Quantum-Enhanced Multi-Objective OptimizationMulti-objective combinatorial optimization requires identifying Pareto-optimal trade-off solutions among conflicting objectives, often making it more demanding than its single-objective counterpart.…Maolin Luo, Jiapei Zhuang, Zuoheng Zou et al.·Jul 21, 2026SaveLearn
Simulating Majorana fermions in black hole with Ising ModelsQuantum field theory (QFT) in curved spacetime has led to profound predictions, including the Unruh effect and Hawking radiation, yet their direct observation remains extraordinarily challenging…John Vienn A. Estremadura, Kristian Hauser A. Villegas·Jul 21, 2026SaveLearn
Quantum Sensing Beyond Exceptional Points via Hidden symmetry-protected vacuum-noise fixed pointExceptional-point (EP) sensing has attracted considerable interest because of its anomalous response scaling. However, recent studies have shown that the enhanced response near an EP is inevitably…Wencong Wang, Yuyang Liang, Peng Han et al.·Jul 21, 2026SaveLearn
Quantum sensing of low-frequency electric signal enabled by modulated auxiliary field in Rydberg atomsRydberg atoms have emerged as a versatile and efficient platform for high-sensitivity quantum sensing of free-space electric fields, with remarkable progress in detecting low-frequency signals. To…Xiayang Fan, Shenchao Jin, Jiatian Liu et al.·Jul 21, 2026SaveLearn
Trade-off between predictability and quantum coherence for multi-path interferometry and its operational interpretationThe complementarity principle is a cornerstone of quantum mechanics. In this work, we investigate a complementarity relation between the predictability and quantum coherence, respectively,…Ezra Acalapati·Jul 21, 2026SaveLearn
A Reversible Continuous-Variable Photonic Memory Architecture Based on Displacement-Evolved Coherent-State DynamicsModern information systems increasingly require memory architectures capable of storing not only static data but also the evolution of information over time. While continuous-variable photonic…Sanjit Krishna G M·Jul 21, 2026SaveLearn
Monogamy inequalities of entanglement of assistance in 2 2 d systemsThe monogamy relations characterize the distribution of quantum correlations among the multipartite quantum systems. We study the monogamy relations of the entanglement of assistance in $2…Xue-Na Zhu, Gui Bao, Zhi-Xiang Jin et al.·Jul 21, 2026SaveLearn
Spontaneous optical emission of a randomly oriented chiral quantum sourceWe derive the form of the one-photon state of the electromagnetic field resulting from spontaneous optical emission of a randomly oriented chiral quantum source, including electric dipole, magnetic…Mikael P. Backlund·Jul 21, 2026SaveLearn
Dismantling the Stoquastic DichotomyWe challenge the notion that a stoquastic binary governs fundamental computational boundaries in quantum computing and classical simulation of quantum systems. We argue that vanishing geometric phase…Armen Karakashian, Itay Hen·Jul 21, 2026SaveLearn
Mean-State Entropy Hierarchies and Classical Communication through Quantum ConvolutionsQuantum convolution provides a discrete-variable analogue of classical convolution, with the mean state capturing the stabilizer structure preserved under repeated convolution. We establish a…Chunhe Xiong, Sunho Kim, Qing-hua Zhang et al.·Jul 21, 2026SaveLearn
Number Fluctuations and Entanglement-Spectrum Participation in Monitored Free FermionsOn finite system sizes, monitored one-dimensional free-fermion chains display a broad crossover in entanglement scaling as the measurement rate increases, from sub-extensive behavior at weak…Enso O. Torres Alegre·Jul 21, 2026SaveLearn
QR-SPPS: Quantum-Native Retail Shock Propagation and Policy Stress SimulatorClassical supply chain risk models treat node failures as statistically independent events, systematically underestimating correlated cascade failures across multi-tier supplier networks. We present…Sumit Tapas Chongder·Jul 21, 2026SaveLearn
Circuit complexity lower bounds for quantum spin glassesA central question in quantum information theory is the circuit complexity of states arising from standard many-body models. We study this question for quantum p-spin glasses, random Hamiltonians…Omar Al-Ghattas, David Gamarnik·Jul 21, 2026SaveLearn
Biased-Noise Quantum Reed-Solomon Codes and a Tornado Concatenation for Cat QubitsDissipative cat qubits exponentially suppress one Pauli error channel with the mean photon number, leaving the conjugate bit-flip error as the dominant failure mode. This strong noise bias makes the…Cheng-You Ho, Daniel Wang, Simba Shi et al.·Jul 21, 2026SaveLearn
Unbiased Estimation of Conditional Covariance for Quantum OptomechanicsContinuous measurements can prepare macroscopic mechanical oscillators in conditional quantum states, but their covariance is difficult to verify. The conventional retrodictive estimator assumes a…Katsuta Sakai, Nobuyuki Matsumoto·Jul 21, 2026SaveLearn
Generating one-way computations with flow: flow-preserving rewriting that ignores the interpretationThe one-way model is a universal model of quantum computation, driven by successive adaptive single-qubit measurements on an entangled resource state. Measurements are non-deterministic, yet if the…Miriam Backens·Jul 21, 2026SaveLearn
Can a Measurement Be Undone? Recovering the State of a Measured Microscopic System with a Reversible Measuring ApparatusWe propose a direct, model-independent search for irreversible coherence loss during a reversible measurement. A mesoscopic apparatus measures a microscopic two-state system by storing which-state…Peter Renkel·Jul 21, 2026SaveLearn
Bell inequalities tailored to optimal global randomness certificationWe present two novel families of bipartite Bell inequalities designed to achieve optimal global randomness certification for an arbitrary number of outputs d. We first use symmetry arguments to…Ignacio Perito, Raffaele D'Avino, Michał Jung et al.·Jul 21, 2026SaveLearn