Unified Strong-Field Dynamics Simulations from Atoms to HeterostructuresWe present TDSE-Z, a high-performance open-source framework for strong-field quantum dynamics in atomic, molecular, and semiconductor effective-mass systems. The core engine implements a…Zakaria Dahbi, Amelle Zaïr·Aug 19, 2026SaveLearn
Multicast quantum network coding as optimal symmetric universal cloning over a quantum networkWe study the problem of perfectly multicasting symmetric universal clones of unknown quantum states over quantum networks with free classical communication. We construct a protocol that multicasts…Go Kato, Mio Murao, Masaki Owari·Aug 19, 2026SaveLearn
Asymptotic Entanglement Hiding under Stabilizer RestrictionsEntanglement is central to quantum information processing, while stabilizer operations underpin fault-tolerant quantum computation. We ask how much entanglement remains visible or distillable under…Jicun Li, Wei Xie, Jun Wu et al.·Aug 19, 2026SaveLearn
Multiqubit orthogonal product basesWe use edge-colored complete multigraphs to study complete orthogonal product bases (OPBs) in n-qubit systems. We prove that two OPBs are equivalent if and only if their associated multigraphs are…Yvkai Zhao, Lin Chen·Aug 19, 2026SaveLearn
Entropic Rigidity in Quantum Memories: How Geometry and Algebra Control the Onset of Degeneracy CorrectionsMaximum-probability (MP) decoding selects the most probable microscopic error, whereas degenerate maximum-likelihood (MLD) decoding includes the configurational entropy of an entire logical sector.…Yixin Zhao, Fei Yan·Aug 19, 2026SaveLearn
Decoder-Prior Poisoning in Quantum Error Correction: Attacks and PriorGuard DefenseQuantum error correction (QEC) protects quantum computations by repeatedly measuring stabilizer syndromes and using a classical decoder to infer corrections. Modern surface-code decoders are…Xinyi Li, Yifeng Peng, Juntao Chen et al.·Aug 18, 2026SaveLearn
Comment on 'Supervised quantum machine learning models are kernel methods'We identify a few small errors in the proof of Theorem 1 in M. Schuld, 'Supervised quantum machine learning models are kernel methods' (arXiv:2101.11020v2), Appendix A. These do not affect…Rajiv Krishnakumar·Aug 18, 2026SaveLearn
Collective photon echoes in the Tavis-Cummings model: distribution independence, two detuning regimes, and the Dicke ladderAn ensemble of N two-level molecules prepared in its ground state and sharing a lossless cavity with a weak field does not simply absorb: the intensity collapses and then recurs, in a train of…Michael Tavis·Aug 18, 2026SaveLearn
Variational Quantum Algorithms for Hyperelasticity: Incorporating Nonlinear Constitutive BehaviorThis paper extends a recently proposed Variational Quantum Algorithm framework for nonlinear elasticity to a broader class of constitutive nonlinearities involving rational powers of the stretch.…Uditnarayan Kouskiya, Caglar Oskay·Aug 18, 2026SaveLearn
Quantum-geometric bounds on Casimir repulsionThe quantum geometric tensor has been shown to bound the gap, optical absorption, and dielectric susceptibilities of materials. Here we derive new quantum-geometric bounds on the magnitude and sign…Adolfo G. Grushin·Aug 18, 2026SaveLearn
Generalizing Pauli Checks for Qudit-based Quantum Error Detection and MitigationPauli Check Sandwiching (PCS) is a quantum error detection (QED) technique that protects a quantum circuit by utilizing a pair of controlled Pauli operators, or checks, and detecting errors that…Noble Agyeman-Bobie, Quinn Langfitt, Salahedeen Issa et al.·Aug 18, 2026SaveLearn
Pseudocontexts forced by finite context hypergraphsA context is a complete set of mutually exclusive outcomes whose probabilities sum to one. We define a pseudocontext as two disjoint groups, with no mutually exclusive pair within either group, whose…Mirko Navara, Karl Svozil·Aug 18, 2026SaveLearn
Symmetric N M telecloning and remote quantum state inferenceTeleporting unknown quantum states between distant nodes of a network is a significant feature of quantum communication. Few studies, however, have been conducted on N M telecloning, in which…Adam G. Hawkins, Hannah McAleese, Hyukjoon Kwon·Aug 18, 2026SaveLearn
Nearly Sample-Optimal Estimators for Quantum Rényi and Tsallis EntropiesIn this paper, we provide estimators for quantum Rényi and Tsallis entropies with nearly optimal sample complexity. Specifically, for order α, dimension d, and additive error , 1.…Kean Chen, Qisheng Wang·Aug 18, 2026SaveLearn
A Complete Classification of Complex Hadamard Matrices of Order SixComplex Hadamard matrices encode perfectly balanced unitary transformations. Their classification is complete through order five, but order six -- the first dimension in which several continuous…Mateo Cárdenes Wuttig, Joseph Tindall·Aug 18, 2026SaveLearn
CLOPS: Benchmarking System Speed at Utility ScaleAs quantum processors scale to hundreds of qubits, execution speed is a critical performance dimension alongside scale and quality. While substantial progress has been made in benchmarking circuit…Andrew Wack·Aug 18, 2026SaveLearn
Three-qubit entanglement in the Bethe-Heitler processThe familiar Bethe-Heitler process on the proton target e+p e+p+γ is transformed into a laboratory for studying multiparticle entanglement. We discuss how bipartite and genuine tripartite…Haotian Cao, Yuxun Guo, Yoshitaka Hatta et al.·Aug 18, 2026SaveLearn
Gisin's Argument and the Limits of Causal Explanations in Relativistic SpacetimeGisin has provided an argument for the conclusion that no covariant nonlocal model can reproduce the operational statistics observed in Bell experiments. Gisin's argument applies only to…Felix J. Rutzinger·Aug 18, 2026SaveLearn
High-Harmonicity Planar Penning Traps for Single-Electron QubitsWe present a detailed account of the design choices required for planar Penning traps that feature a highly harmonic confining potential. High harmonicity is indispensable for a number of…Kedar Mal, A. N. Agnihotri, Sugam Kumar et al.·Aug 18, 2026SaveLearn
Dressed magnon dynamics in a Bose-Hubbard bath: retardation, pairing, entanglement and two-magnon scatteringWe study one- and two-magnon dynamics in a spin-1/2 XX chain coupled to a tunable Bose-Hubbard bath. The XX Hamiltonian transports the magnons, while the bath dresses their motion and mediates an…Andrés N. Cáliz, Arnau Riera, Enrique Rico et al.·Aug 18, 2026SaveLearn
Where Atom Loss Lands Matters: Decoder-Aware Risk Deposition in Neutral-Atom QECNeutral-atom arrays are emerging as a leading platform for scalable quantum error correction (QEC). Qubits are routed and reused across the array, while detected loss is reported to the decoder as…Xinyi Li, Yifeng Peng, Ying Wang·Aug 18, 2026SaveLearn
Computationally Efficient Optimization of Per-Qubit Clifford Deformation for Non-uniform Biased NoiseIn fault-tolerant quantum computing systems with biased noise, Clifford deformation can substantially reduce the logical error rate (LER) without additional physical hardware overhead, such as extra…Won Joon Yun, Andrew Nemec, Jonathan M. Baker·Aug 18, 2026SaveLearn
A quantum optical concept of attosecond pulses: the attoquantsHigh-harmonic generation (HHG) is conventionally understood to produce attosecond pulse trains only when the emitted harmonics are mutually phase-locked, in accordance with the classical theory of…Sándor Varró, Ákos Gombkötő·Aug 18, 2026SaveLearn
Quantum Circuit for General Unitary: Improved T-count via Block Flattening and DilationSynthesizing arbitrary n-qubit unitaries using as few non-Clifford gates as possible is a central problem in fault-tolerant quantum compilation. We present a Clifford+T quantum circuit…Pei Yuan, Shengyu Zhang, Wei Zi·Aug 18, 2026SaveLearn
Pulsed to continuous-wave quantum dot cavity-QEDResonant cavity-quantum system interactions are well understood in the pulsed coherent and continuous-wave steady-state limits, but not much in between. We investigate the intermediate regime, where…Mio Poortvliet, Petr Steindl, Wolfgang Löffler·Aug 18, 2026SaveLearn