Geometry--gauge controlled dynamics and localization of a two-particle system on a helicoidal manifoldWe study the dynamics and localization of two oppositely charged particles constrained to a helicoidal manifold in a uniform magnetic field. The embedding-induced metric and the pullback of the…Abdullah Guvendi, Hassan Hassanabadi·Aug 6, 2026SaveLearn
Task-Dependent Syndrome Memory in Quantum Sensing and State RecoveryPreserving metrological information under noise is central to quantum sensing, yet finite detectors and memories impose an unavoidable limit on how finely noise trajectories can be resolved. Using…Jianqi Sheng·Aug 6, 2026SaveLearn
The Pangaea Architecture: Fault-Tolerant Heterogeneous Topological Codes via a Quantum BusWe introduce Pangaea, a fault-tolerant quantum architecture that uses a quantum bus to mediate logical operations between remote patches of two-dimensional topological codes. The bus is an auxiliary…Sheir Yarkoni, Chen Scheim, Daniel Hakshuri et al.·Aug 6, 2026SaveLearn
Polynomial Time Quantum Approximation Schemes for Constrained OptimisationWhen does a noisy quantum sampler yield an end-to-end polynomial-time optimization algorithm with performance guarantees? Building on finite-depth and finite-shot guarantees for Constraint-Enhanced…Chinonso Onah, Kristel Michielsen·Aug 6, 2026SaveLearn
Online Shadow Tomography Matching the Classical BoundsIn Online Shadow Tomography, we are given copies of an unknown d-dimensional quantum state ρ, an adversary (adaptively) proposes a sequence of bounded observables A(1),…,A(m), and…Sitan Chen, Ryan O'Donnell, Angelos Pelecanos et al.·Aug 6, 2026SaveLearn
InferQ: A Database-Oriented Benchmark for Quantum Circuits SimulationRecent work suggests that relational database management systems (RDBMSs) can execute quantum circuit simulation by compiling the simulation into SQL workloads (primarily join-and-aggregate tensor…Andrei Ilinescu, Aadi Patwardhan, Rihan Hai·Aug 6, 2026SaveLearn
Quantum random-number generator with non-demolition measurements: semi-device-independent implementationWe propose and analyze a novel quantum random-number generator based on a tripartite quantum system in which two subsystems act as detectors. Within a quantum non-demolition measurement scheme, one…Paolo Solinas, Giovanni Chesi·Aug 6, 2026SaveLearn
Bulk spectra and the non-Hermitian skin effect in systems with long-range couplingsTo achieve translational symmetry for the computation of the band structure of a lattice model, one can either consider an infinite lattice or impose periodic boundary conditions (PBC). While in…Jonathan Sturm, Pia Kreß, Adriana Pálffy·Aug 6, 2026SaveLearn
Separating Geometry From Interference in Constrained Quantum OptimizationWe study the separation of geometric effects from quantum interference in quantum optimization algorithms. Constrained optimization problems such as routing, assignment, and scheduling are often…Chinonso Onah, Stuart Hadfield, Kristel Michielsen·Aug 6, 2026SaveLearn
Nonlocal nonstabilizerness for slightly entangled quantum many-body statesNonlocal nonstabilizerness quantifies the irreducible magic resource encoded in bipartite entanglement, but its evaluation is generally hindered by a highly nonconvex optimization over local unitary…Lei-Yi-Nan Liu, Jian Cui·Aug 6, 2026SaveLearn
Non-Local Magic from the Entanglement SpectrumNon-local magic has recently emerged as a fundamental resource for characterizing genuinely non-local non-stabilizer correlations. However, its direct calculation is an intractable numerical problem,…Gianpaolo Torre, Fabio Franchini, Salvatore Marco Giampaolo·Aug 6, 2026SaveLearn
I-QMapper: Error-Aware Layout Optimization and Device Diagnostics for NISQ HardwareAchieving high-fidelity execution on noisy intermediate-scale quantum (NISQ) hardware requires careful selection of physical qubit layouts, as gate errors, readout errors, and coherence times vary…Milana Bazayeva, Kenneth Merz·Aug 6, 2026SaveLearn
Dissipation-Induced Deviations from Kibble-Zurek Scaling in Non-Hermitian Quantum AnnealingWe revisit the quantum annealing problem in the non-Hermitian transverse-field Ising model. We determine, both analytically and numerically, the intrinsic transition probabilities and the resulting…H. Najafzadeh, S. Sadeghizade, R. Jafari et al.·Aug 6, 2026SaveLearn
Squeezed Phonon Lasing via Floquet-Controlled Solid-State DefectsWe propose a general Floquet-engineered scheme for squeezed phonon lasing that enables a continuous crossover from conventional phase-diffused phonon lasing to phase-locked squeezed phonon lasing.…Hugo Molinares, Gianluca Rastelli, Victor Montenegro et al.·Aug 6, 2026SaveLearn
Quantum Feature Amplification Network (QFAN) as An Autoregressive Quantum Generative ModelSimulating calorimeter showers is among the largest computational costs in high-energy physics, and quantum generative models have been proposed as alternatives to classical surrogates. Their…Jamal Slim, Saverio Monaco, Florian Rehm et al.·Aug 6, 2026SaveLearn
Realistic Simulation of Quantum Repeater with Encoding and Classical Error CorrectionQuantum repeaters are essential for scalable long-distance quantum networking. As quantum information processing moves toward fault-tolerant and error-corrected operations, it becomes increasingly…Sagar Patange, Caitao Zhan, Bikun Li et al.·Aug 6, 2026SaveLearn
Closed form logical error rate approximations for surface codesWe propose a novel method to calculate logical error rates in surface codes, assuming independent and identically distributed physical errors. These results fit well known scaling laws for studied…Shaked Regev, Daniel Dilley, Ryan Bennink·Aug 6, 2026SaveLearn
Black-Hole Microstate Hair Requires a Horizon MeasurementCan a smooth horizon hide its microstates? At fixed classical and superselected data, the exterior distinguishability D of same-sector infalling states and the departure from…Sudhanva Joshi, Sunil Kumar Mishra·Aug 6, 2026SaveLearn
GreenPeas: Unlocking adaptive quantum error correction with just-in-time decoding hypergraphsCircuit-level decoders are essential for the realisation of low-overhead fault-tolerant quantum computing. However, they rely on complex hypergraphs that are traditionally compiled ahead-of-time.…Abbas B. Ziad, Jubo Xu, Hongxiang Fan·Aug 6, 2026SaveLearn
Asymptotic optimality of Grover-Radhakrishnan-Korepin algorithmGrover's algorithm is a cornerstone of quantum algorithms and is strictly optimal in oracle-query complexity. While the full search problem admits no further improvement, one may trade accuracy…Kun Zhang, Kang-Yuan Chen, Xiao-Hui Wang et al.·Aug 6, 2026SaveLearn
Notes on some inequalities, resulting uncertainty relations and correlationsWe analyze the Schwarz inequality and its generalizations, as well as inequalities resulting from the Jensen inequality. They are used in quantum theory to derive the Heisenberg-Robertson (HR) and…Krzysztof Urbanowski·Aug 6, 2026SaveLearn
Scattering phase shift in quantum mechanics on quantum computers: non-Hermitian systems and imaginary-time simulationsTo overcome the fast oscillatory behavior of correlation functions for extracting scattering phase shift in real-time quantum simulations encountered in Ref.Guo:2026qkx, we propose and test…Peng Guo, Paul LeVan, Frank X. Lee et al.·Aug 6, 2026SaveLearn
Error-Mitigated Hamiltonian Simulation: Complexity Analysis and Optimization for Near-Term and Early-Fault-Tolerant Quantum ComputersSimulating real-time dynamics under a Hamiltonian is a central goal of quantum information science. While numerous Hamiltonian-simulation quantum algorithms have been proposed, the effects of…Keisuke Murota, Synge Todo, Suguru Endo·Aug 6, 2026SaveLearn
Spin stiffness and resilience phase transition in a noisy toric-rotor codeWe use a quantum formalism for the partition function of the classical XY model to identify a resilience phase transition in the zero-syndrome postselected sector of a noisy toric-rotor code. To…Morteza Zarei, Mohammad Hossein Zarei·Aug 6, 2026SaveLearn
Four- and six-photon stimulated Raman transitions for coherent qubit and qudit operationsQuantum computers are typically composed of an array of two-level systems, or qubits, encoded in some information carrier, such as an electron, photon, or quantized circuit. The size of this array is…Gabriel J. Gregory, Evan R. Ritchie, Alex Quinn et al.·Aug 6, 2026SaveLearn