Decoupling 2D translation-invariant topological CSS codesTwo-dimensional translation-invariant topological CSS codes on qubits are known to be locally equivalent, after coarse-graining, to stacks of toric codes. However, existing constructions generally…Yifei Wang, Zhongyi Ni, Mingxin He et al.·Aug 10, 2026SaveLearn
From Koszul-Complex Stabilizer Models to Superselection Profiles: Topological Rigidity and Nonsplit ExtensionsKoszul-complex stabilizer models unify the toric-code hierarchy and bivariate-bicycle codes in one homological framework. To study translation-symmetry-enriched topological (SET) phases in these…Hao Song·Aug 10, 2026SaveLearn
Learning Clifford-structured quantum unitaries and HamiltoniansLearning algorithms for structured quantum unitaries and Hamiltonians have primarily considered classes of processes that are local or sparse in the Pauli basis. We turn our attention to learning…Arkopal Dutt, Dale Jacobs, John Jeang et al.·Aug 10, 2026SaveLearn
Surface passivation for narrowing optical linewidth of silicon T centers in nanophotonic devicesSilicon T centers are promising spin-photon interfaces in solid-state platforms for telecom-compatible, scalable quantum information technologies. A major challenge for T centers in nanophotonics is…Fariba Islam, Chang-Min Lee, Kyu-Young Kim et al.·Aug 10, 2026SaveLearn
From Nonlinear Stochastic Differential Equations to Quantum Channels: The Kolmogorov--Lindblad MappingNonlinear stochastic differential equations (SDEs) underlie molecular modeling and drug discovery, quantitative finance, stochastic learning, and uncertainty quantification. Their expectations, event…Hsuan-Cheng Wu, Xiantao Li·Aug 10, 2026SaveLearn
Tensor network methods for non-perturbative dynamics of open quantum systemsThe description of open quantum system dynamics beyond the perturbative treatment (usually associated with Markovian master equations) is a computationally challenging task due to the unfavorable…Thibaut Lacroix, Adam Burgess, Nicola Lorenzoni et al.·Aug 10, 2026SaveLearn
An upper bound for the purity of absolutely positive partial transpose statesA quantum state is called absolutely separable (resp. absolutely positive partial transpose (APPT)) if it remains separable (resp. positive partial transpose (PPT)) under any global unitary…Anh T. Tran·Aug 10, 2026SaveLearn
Quantum Information Flow under String-Diagram RewritingWe revisit the notion of ``quantum information flow'' introduced in Bob Coecke's early work and seek to give it an explicit string-diagrammatic formalization. Given a semantics preserving…Yi-Yu Lin, Chen-Ye Li·Aug 10, 2026SaveLearn
From Barren Plateaus to SPSA Optimization in Variational Quantum EigensolversThe barren plateau (BP) phenomenon poses a fundamental challenge to the trainability of variational quantum eigensolvers (VQEs) by causing exponentially vanishing gradients as the system size…Zhen Qin·Aug 10, 2026SaveLearn
Security of quantum key distribution with passive basis choice and detection-efficiency mismatch for a realistic satellite setupDetection-efficiency mismatch is a common problem in realistic quantum key distribution (QKD) systems. The existing security proofs for the case of the passive basis choice provide a nonzero secret…Egor Ivchenko, Aleksandr Khmelev, Vladimir Kurochkin et al.·Aug 10, 2026SaveLearn
Quantized Stabilizer-Rényi Boundary Response across Fermionic SPT TransitionsOpen boundaries host symmetry-protected Majorana modes, yet their imprint on the stabilizer Rényi entropy is obscured by a nonuniversal volume law. At Rényi index α=1/2, we isolate a…M. A. Rajabpour·Aug 10, 2026SaveLearn
Aicir: A Full-Stack Quantum Circuit Simulator with AscendNPU SupportQuantum computing is a promising way to study problems that are difficult for classical methods, but current quantum hardware still faces limits in scale, noise, and fidelity. Running quantum…Xian Lu, Xinying Li, Fei Wang et al.·Aug 10, 2026SaveLearn
Magic State Distillation via Codes over Binary Extension FieldsFault-tolerant quantum computation architectures are frequently bottlenecked by the overhead of producing high-fidelity magic states. In this work, we use algebraic geometric techniques to construct…Anqi Gong, Christopher A. Pattison, Patrick Rall et al.·Aug 10, 2026SaveLearn
State Diagnostics of Complexity in Open Quantum SystemsWe study the emergence of complexity in finite-size quantum systems as their dynamics transition from closed and coherent evolution to interacting and effectively open behavior. Using a state-based…Komal Sah, Fabio Anza, Alexandra M. Jurgens et al.·Aug 10, 2026SaveLearn
Spread of Entanglement in Generalized Kicked Ising ChainWe investigate the dynamics of entanglement in a generalized version of the kicked Ising chain, extending the model from the standard qubit case (local dimension q=2) to higher local dimensions ($q…Tanay Pathak, Hiromi Ebisu, Tomaž Prosen·Aug 10, 2026SaveLearn
Collective-dissipation-induced dark and metastable-like states for enhanced quantum battery performanceWe investigate the role of symmetry-protected dark states and metastable-like frozen states in the autonomous charging dynamics of open quantum batteries described by a transverse-field Ising model.…Achraf Khoudiri, Asghar Ullah, Abderrahim El Allati et al.·Aug 10, 2026SaveLearn
An Efficient Explicit Implementation of a Quantum Algorithm with Quantum Advantage for Nonlinear Scalar Conservation LawsQuantum algorithms for nonlinear partial differential equations remain challenging because nonlinear dynamics are not directly amenable to unitary quantum simulation. Building on the level-set…Kezhen Wang, Junpeng Hu, Lei Zhang·Aug 10, 2026SaveLearn
Phase-error estimation for quantum key distribution with leaky receiversPractical quantum key distribution (QKD) receivers may leak information about their measurement outcomes and settings to the channel (e.g., through detector backflashes or back-reflected Trojan-horse…Álvaro Navarrete, Margarida Pereira, Guillermo Currás-Lorenzo et al.·Aug 10, 2026SaveLearn
Microscopic QED origin of spin entanglementWe study effective spin interactions arising from quantum electrodynamics (QED) scattering between localized fermionic spins. By integrating out photon and mediator fields, the dynamics reduce to an…Moslem Zarei·Aug 10, 2026SaveLearn
Characterising the set of deterministic quantum correlations in prepare-and-measure scenariosCorrelations that do not admit a deterministic explanation are a central feature of quantum theory and a key resource for quantum information processing. Identifying and certifying such correlations,…Nicola D'Alessandro, Oliver Karlsson, Carles Roch i Carceller·Aug 10, 2026SaveLearn
Memory-, Circuit-, and Ansatz-Efficient VQLS for CFD on Hybrid Quantum-HPC SystemsFluid dynamics workloads are dominated by repeated solves of large, structured linear systems, motivating the search for quantum acceleration. The Variational Quantum Linear Solver (VQLS) is a…Chao Lu, Muralikrishnan Gopalakrishnan Meena, Eduardo Antonio Coello Perez et al.·Aug 10, 2026SaveLearn
A Domain-Specific Language for Formulating Hybrid Quantum-Classical Meta-Solver StrategiesA key challenge when designing hybrid quantum-classical workflows is the identification of quantum candidates, that is, determining for which specific problems quantum advantages could potentially be…Nick Poser, Domenik Eichhorn, Ina Schaefer·Aug 10, 2026SaveLearn
QSVM-RQNN: Low-Qubit Recurrent Quantum Similarity Learning for Condition Monitoring and Fault ClassificationIn the Noisy Intermediate-Scale Quantum (NISQ) era, limited qubit availability and hardware noise constrain the practical deployment of quantum machine learning (QML). Existing quantum neural network…Amit S. Patel, Himanshu R. Patel, Bikash K. Behera·Aug 10, 2026SaveLearn
Conditions for implementing projective measurements through continuous monitoringProjective measurements are foundational for quantum physics in general and quantum information tasks in particular. However, their direct implementation is often not warranted. Here, we investigate…Therese Karmstrand, Franco Nori, Clemens Gneiting·Aug 10, 2026SaveLearn
A Design Space Study of Density Matrix Parameterizations for Diffusion-Based Quantum State TomographyDiffusion-based quantum state tomography (QST) has shown promising results, but all existing methods implicitly adopt a single parameterization (typically Cholesky) without systematic evaluation. We…Shuangu Chang·Aug 10, 2026SaveLearn