From Canonical to Tunable Phase Diagrams in Open Quantum Long-Range SystemsWe investigate the dissipative dynamics of a generalized Lipkin-Meshkov-Glick (LMG) model coupled to a thermal environment. In this generalized model, in addition to the conventional quadratic…Anish Acharya, Shamik Gupta·Jul 20, 2026SaveLearn
State k-designs from Hamiltonian evolutionWe study the generation of state k-designs from time evolution under a fixed Hamiltonian. Specifically, we consider the ensemble $E=\e-iHt|ψ0 | \ t…Shengxian Hou, Zong-Yue Hou, Zhi-Cheng Yang·Jul 20, 2026SaveLearn
Observation of a power transfer controlled by the phase of a quantum superpositionA driven qubit exchanges energy with the propagating modes that drive it. When two spatially separated modes drive a single qubit with opposite amplitudes, their net action on the qubit cancels. Yet…Nathanaël Cottet, Sébastien Jezouin, Bogdan Reznychenko et al.·Jul 20, 2026SaveLearn
Equivariant Continuous Normalizing Flows with Offline Sampling for Fermionic Ground State EstimationWe introduce a framework for fermionic variational Monte Carlo (VMC) in which a continuous normalizing flow (CNF) refines a fixed antisymmetric base wavefunction. The flow is implemented as a…Sam Cochran, James B. Larsen, Andrew Wray et al.·Jul 20, 2026SaveLearn
Reducing entanglement with a Hamiltonian derived Clifford transformationRecently (Physica Scripta, 100(10):105401, 2025), an algorithm was introduced that deterministically generates a Clifford transformation from the Qubit Coupled Cluster (QCC) algorithm which we call…James Brown, Erika Lloyd, Alexandre Fleury et al.·Jul 20, 2026SaveLearn
Monolithic printed-circuit board RF-trap for electronsQubits encoded in the spin of trapped electrons have been proposed as a promising novel platform for quantum information processing. While trapping of electrons has been largely carried out in…Zijue Luo, Jae Eu, Tianyi Wang et al.·Jul 20, 2026SaveLearn
Magic-protected entanglement and Clifford-irreducible structure in magic state spaceWe develop a Clifford-orbit framework for studying magic-protected entanglement, which we refer to as magical entanglement: the part of bipartite entanglement that remains after optimal stabilizer…Alejandro Borda Kuhlmann, Julian Rincon·Jul 20, 2026SaveLearn
Adlam's Frame: comment on "Wigner's Frame"Recent no-go theorems based on extended Wigner's Friend scenarios (EWFS) reveal a deep tension between the universal validity of quantum theory and local friendliness (LF), the conjunction of…Andrea Di Biagio, Anne-Catherine de la Hamette·Jul 20, 2026SaveLearn
Nishimori Threshold Estimation for Bayesian Inference and Zq Surface Code DecodingIn quantum error correction, the error threshold provides essential quantitative guidance for the ability to bring about fault-tolerance through decoding the effects of incoherent noise, weak…Rohit Mukherjee, Simon Trebst·Jul 20, 2026SaveLearn
Probing gravitational interaction between milligram optomechanical oscillators operating in the quantum regimeWe present an ongoing optomechanical experiment aimed at detecting gravitational interaction between milligram-scale oscillators, and exploring its interplay with quantum mechanics. The setup employs…M. Bonaldi, A. Borrielli, G. Di Giuseppe et al.·Jul 20, 2026SaveLearn
Hardware Robustness of Sample-Based Quantum DiagonalizationSample-based Quantum Diagonalization (SQD) is a hybrid quantum-classical method that replaces variational optimization with a self-consistent recovery loop over QPU samples. Although SQD is…Ahatesham Bhuiyan, Cheng Chu, Qian Lou et al.·Jul 20, 2026SaveLearn
Phase-Sensitive Benchmarking of Composite Quantum Gates with Chiral-Interference Circuits on Quantum HardwareWe construct and experimentally implement compact gate-native circuits that simulate the state-transfer interference underlying three- and four-level chiral-resolution protocols. Both models are…Georgi M. Aleksandrov, Nikolay V. Vitanov·Jul 20, 2026SaveLearn
CutBackdoor: A Circuit Cut Triggered Backdoor Attack on Variational Quantum AlgorithmsVariational Quantum Algorithms (VQAs) are a leading paradigm for near-term quantum computing, combining parameterized quantum circuits with classical optimization across quantum chemistry,…Ahatesham Bhuiyan, Hoang Ngo, Cheng Chu et al.·Jul 20, 2026SaveLearn
Exponential Reduction of Mesh Dependence in Quantum Estimation of Parabolic PDE ObservablesCan a quantum PDE algorithm avoid the polynomial cost of resolving a fine spatial mesh? For standard fixed-order discretizations, direct classical methods require work polynomial in h-1, or…Xiantao Li·Jul 20, 2026SaveLearn
Noise structuring in fixed-depth Trotter simulation: stationary channels and observable-level depolarizationWe analyze fixed-depth Trotter simulation as a method for structuring hardware noise in digital many-body dynamics. The number of layers is chosen using the largest endpoint time and is then kept…G. L. Stavisskii, W. V. Pogosov, L. E. Fedichkin et al.·Jul 20, 2026SaveLearn
Variational non-gaussian approach to interacting spin-boson modelsWe apply a hybrid variational framework to interacting spin-boson Hamiltonians, targeting regimes where simulations are limited by the unbounded bosonic Hilbert space and strong many-body…João Pedro Mendonça, Yao Wang, Krzysztof Jachymski·Jul 20, 2026SaveLearn
Sensing relativistic quantum fields with minimally perturbing local measurementsWe develop a framework for minimally perturbing local measurements in relativistic quantum field theory, with the aim to sense local properties of the field in a non-destructive manner. The field…F. Daem, L. Ballesteros Ferraz, A. Zampeli et al.·Jul 20, 2026SaveLearn
How the Quantum Sorites Phenomenon Strengthens the Bell Argument and How a Random-Matrix Collapse Dynamics Answers ItBell proved that no theory of pre-existing local values can reproduce the predictions of quantum mechanics, but his proof leaves the culprit ambiguous: one may reject either of two independence…Malcolm Forster·Jul 20, 2026SaveLearn
Unifying Charge-Learnability Transitions in U(1)-Symmetric Quantum Circuits through Informational Power of Local MeasurementCharge-learnability transitions in monitored symmetric quantum circuits reveal how local measurement records acquire sufficient information to infer a conserved charge. Here we extend charge…Yi-Fan Gong, Dan-Bo Zhang·Jul 20, 2026SaveLearn
High-frequency dual-channel lock-in detection via rapidly oscillating drivingHere we propose a general protocol for dual-channel lock-in detection of high-frequency ac signals. We find that the effect of a high-frequency target signal can be modulated through the application…Kangze Li, Xu Zhao, Liantuan Xiao et al.·Jul 20, 2026SaveLearn
Stochastic Pauli-path simulator for large-scale quantum optimizationPauli-based simulators offer a promising route to large-scale classical simulation of quantum circuits in the low-magic regime. Yet their applicability remains largely limited to forward simulation,…Kaining Zhang, Xinbiao Wang, Kunsheng Li et al.·Jul 20, 2026SaveLearn
Light-Cone Scaling of In-Circuit Noise in Randomized MeasurementsRandomized measurements provide an efficient way to extract physical properties of an unknown quantum state from limited data. On near-term hardware, gate and readout errors bias the reconstructed…Pan Yu, Yan He, Yadong Wu·Jul 20, 2026SaveLearn
Formal Verification of Continuous-Variable Quantum ProgramsWe provide a formal framework for Continuous-Variable Quantum Computing (CQC). While CQC is supported by photonic quantum hardware, we are not aware of a formal semantics for continuous-variable…Stefanie Muroya, Thomas A. Henzinger·Jul 20, 2026SaveLearn
Image Classification on IBM Quantum ComputersQuantum machine learning on real noisy intermediate-scale quantum (NISQ) hardware has remained largely confined to binary or few-class tasks, limited by the cost of on-hardware training and the…Junghoon Justin Park, Jiook Cha, Jun-gyeong Park et al.·Jul 20, 2026SaveLearn
Variance-Reduced Trajectory Unravelings for GPU Noisy Quantum-Circuit Simulation: Characterization and a Qiskit-Aer Integration GapMonte-Carlo trajectory (quantum-jump) methods are the practical route to simulating noisy quantum circuits once the exact density-matrix method is precluded by its 4n memory cost. Their bottleneck…Chun-Yeol You·Jul 20, 2026SaveLearn