Mitigating quantum decoherence via global optimal controlWe show that global optimal control can drastically suppress the impact of decoherence in globally driven superconducting quantum computing architectures, taking as a prototype a recently proposed…Ashkan Abedi, Roberto Menta, Julien Despres et al.·Jul 30, 2026SaveLearn
Quantum Steering and Nonlocal Correlations Between Non-Interacting Delocalized Electrons Under Rashba Spin-Orbit InteractionWe investigate quantum steering and nonlocal correlations between two electrons in a two-dimensional electron gas (2DEG) as functions of Rashba spin-orbit interaction (RSOI) strength and…Zakaria Bouafia, Mostafa Mansour·Jul 30, 2026SaveLearn
Classical Tensor Network and Quantum Fourier Transform Approaches for Large-Scale Carr-Madan Option PricingFourier-based methods are among the most widely used techniques for pricing European options when the characteristic function of the underlying asset process is available. Their applicability to…Sascha Hauck, Ivica Turkalj·Jul 30, 2026SaveLearn
Improved Convergence of Carleman-Embedded Quantum Algorithm for the Vlasov-Poisson SystemWe extend the regime of convergence of Carleman-embedded quantum algorithms that solve the Vlasov-Poisson equations from kinetic plasma physics. We establish convergence, using both analytical and…Matthew Christensen, Tom Goffrey, Animesh Datta·Jul 30, 2026SaveLearn
Nearly optimal quantum circuits for Boolean oraclesQuantum oracle of Boolean functions is one of the central bridges between classical and quantum algorithms, but the study focusing at quantum circuit optimization of such oracle is yet closed. In…Junhong Nie, Wei Zi·Jul 30, 2026SaveLearn
Counterdiabatic Driving under Variational Frame DressingCounterdiabatic (CD) driving accelerates adiabatic protocols by prescribing auxiliary control fields, but often fails to map them to physically available operations. We derive a general formalism for…Boxi Li, Franco Nori, Felix Motzoi·Jul 30, 2026SaveLearn
Emergence of a Macroscopic Cat State and Multi-Channel Entanglement in a Frustrated Cluster Spin ChainWe study a one-dimensional frustrated spin chain, which combines cluster-Ising and anisotropic next-nearest neighbor Ising models. We first offer a historical perspective that justifies the studied…Mohit Lal Bera, Andreu Anglés-Castillo, Alberto Acevedo Meléndez et al.·Jul 30, 2026SaveLearn
Noise-aware emulation and cross-device validation of neutral atom analog quantum processing unitsAnalog quantum processors based on Rydberg atom arrays are a powerful platform for many-body quantum simulation, combinatorial optimization, and graph machine learning. As these devices become…Constantin Dalyac, Sergi Julià-Farré, Lucas Leclerc et al.·Jul 30, 2026SaveLearn
No-Go Theorems for Quantum Transport Metrics from Fixed Cost OperatorsCoupling-based quantum optimal transport generalizes classical optimal transport by representing transport plans as bipartite states with prescribed marginals and evaluating their cost as the…Minbo Gao, Zhengfeng Ji, Tianshi Yu·Jul 30, 2026SaveLearn
Optimal T Counts under Sparsity: from QROM to State Preparation and Block EncodingMany quantum algorithms require coherent access to classical data, often modeled by quantum read-only memory (QROM). We initiate the study of the T count of sparse QROM, in which only s of the…Tongyang Li, Fengning Ou, Xinzhao Wang et al.·Jul 30, 2026SaveLearn
Displaced photon helicity states: a quantum realization of Arago-Fresnel interferenceThe laws of Arago and Fresnel relate the polarization of light to its capacity for interference. We investigate their quantum counterpart at the level of the fundamental helicity states of a single…Yan Zhang, Xiang Liu, Hou Ian·Jul 30, 2026SaveLearn
Purifications for Convex ConesMotivated by the importance of the purification principle in quantum theory and generalized probabilistic theories, we study purifications using only the geometry of a finite-dimensional proper…Felix Campidell, Tim Netzer·Jul 30, 2026SaveLearn
Entanglement Swapping with Integrated Narrowband Photon Sources for Quantum RepeatersPromising implementations of first generation quantum repeaters are predicted to require atomic-based quantum memory systems interfaced with photonic sources. Integrated photonics provides a…Mingsong Wu, Leili Esmaeilifar, Rui Ning Wang et al.·Jul 30, 2026SaveLearn
Efficient atom rearrangements for quantum error correction primitives with a single AODNeutral-atom quantum computers offer arbitrary connectivity enabled by atom transport. Some logical operations can then be simplified or reduced entirely to geometric rearrangements of the atoms.…Tom Hartweg, Asier Piñeiro Orioli, Hugo Perrin et al.·Jul 30, 2026SaveLearn
Approximate sampling from decoded quantum interferometry via Markov chain Monte Carlo methodsOptimization problems are among the leading candidates for industrially relevant quantum advantage. Decoded quantum interferometry (DQI) has been proposed to tackle approximate optimization,…Elies Gil-Fuster, Matan Ninio, Lennart Bittel et al.·Jul 30, 2026SaveLearn
Deterministic QKD source robust against side-channel attacksQuantum key distribution (QKD) is secure in principle, but practical security can be undermined by discrepancies between real devices and the idealized models assumed in security proofs. Source side…Kiyoshi Tamaki, Marcos Curty, Akihiro Mizutani et al.·Jul 30, 2026SaveLearn
Slow-light-enhanced Atomic Frequency Comb Quantum Memory in Stoichiometric EuCl3 · 6D2ORare-earth-doped crystals are promising candidates for quantum storage, yet their performance in free-space configurations is fundamentally restricted by low optical depth. Here, we demonstrate…Zongfeng Li, Wanting Xiao, Mucheng Guo et al.·Jul 30, 2026SaveLearn
Scaling theory of decoherence in Dicke superradianceThe survival of many-body coherence depends on the competition between correlation buildup and decoherence. In Dicke superradiance, collective emission builds up correlations, producing a peak…Nico S. Bassler, Julian Lyne, Javier Cuerda·Jul 30, 2026SaveLearn
Bridging continuous control and Floquet driving for charging many-body spin chainsRecent advances in quantum information and quantum thermodynamics have reshaped the understanding of energy storage at the microscopic scale, paving the way toward protocols for storing and…Sebastián V. Romero, Xi Chen, Yue Ban·Jul 30, 2026SaveLearn
Towards Quantum Networks: Characterizing Raman Noise over Metropolitan-scale Fiber NetworkThe coexistence of quantum and classical signals in optical fiber infrastructures represents a major challenge for large-scale quantum networks, as noise sources such as Raman scattering can…Marcello Caleffi, Laura d'Avossa, Italo Ignacio Machuca Flores et al.·Jul 30, 2026SaveLearn
Exponential Advantage of Multipartite Entanglement over Quantum Communication with Applications to Bounded-Storage CryptographyWe establish an exponential communication advantage enabled by multipartite quantum entanglement. Building on the bipartite Hidden Matching problem, we introduce a communication task involving…Ananya Chakraborty, Manik Banik, Ronald de Wolf·Jul 30, 2026SaveLearn
A CPU+DCU Heterogeneous Parallel Framework for Post-Processing Reconstruction in Quantum Circuit CuttingIn the NISQ era, limited qubit resources make it difficult to execute large quantum circuits directly on real hardware. Quantum circuit cutting mitigates this limitation by decomposing a large…Qingqing Jiang, Weidong Liu, Yufu Liu et al.·Jul 30, 2026SaveLearn
Complementary Matrix-Gated QKAN Fast-Weight Programmers for Quantum Dynamics ForecastingSequence models must decide what to write into memory and what to retain. In quantum and quantum-inspired sequence learning, nonlinear recurrent updates often require repeated circuit evaluations and…Kuo-Chung Peng, Samuel Yen-Chi Chen, Jiun-Cheng Jiang et al.·Jul 30, 2026SaveLearn
Design of a Quantum Error Correction Decoder Exploiting Temporal ParallelismIn the pursuit of fault-tolerant quantum computing, low-latency quantum error correction (QEC) is essential to prevent rapid error accumulation within the syndrome measurement cycle. In this work, we…Leo Itoh, Takuya Kasamura, Hidetsugu Irie et al.·Jul 30, 2026SaveLearn
Iterative quantum algorithms for the minimum vertex cover problem based on continuous-time quantum walksWe introduce a constraint-preserving hybrid quantum-classical greedy framework for the minimum vertex cover problem, which extends directly to maximum independent set by bitwise complementation. The…Ruben Pariente Bassa, Finley A. Quinton, Franz G. Fuchs et al.·Jul 30, 2026SaveLearn