Automated Flag-based Fault-Tolerant State Preparation using Integer Linear ProgrammingPost-selected stabilizer state preparation is a necessary subroutine in fault-tolerant quantum computation, both for initialization of logical qubits, and for logical-ancilla-based error correction…Ben Criger, Aaron Hankin, Justin J. Burau et al.·Jul 24, 2026SaveLearn
Fractal quantum many-body scars and Hamiltonian inverse design from ZX-calculusDiagrammatic languages such as ZX-calculus provide compact and intuitive descriptions of quantum processes and have become established tools for circuit simplification, verification, and compilation.…Marcin Szyniszewski·Jul 24, 2026SaveLearn
Learning to Prepare Molecular Ground States with Transformer ModelsQuantum state preparation is a key component of many quantum algorithms. Performing this step efficiently is essential for realizing practical quantum advantage in quantum chemistry applications.…Alex Koziell-Pipe, Jasmine Brewer, Jem Guhit et al.·Jul 24, 2026SaveLearn
Multiplexed storage and interaction of Rydberg spinwaves via the gradient echo memory protocolCollective Rydberg excitations offer strong and controllable interactions for quantum information processing, sensing, and nonlinear quantum optics, but their integration with temporally or…Bartosz Niewelt, Stanisław Kurzyna, Bartosz Kasza et al.·Jul 24, 2026SaveLearn
Algebraic structure of Tiger codesTiger codes form a family of multimode bosonic quantum codes that unify several previously known constructions, including cat, paircat, and the two-mode binomial code. In this work, we give a…Clément Poirson, Anthony Leverrier, Christophe Vuillot·Jul 24, 2026SaveLearn
Highly indistinguishable photons from a tin-vacancy spin qubit in diamondQuantum networks promise secure communication, distributed sensing and modular quantum computing by interconnecting distant quantum nodes through photonic links. Extending such networks beyond…Dennis Herrmann, Robert Morsch-Golsong, Tobias Bauer et al.·Jul 24, 2026SaveLearn
A route to damage tolerance exceeding 10\% in shuttling-equipped quantum processorsThis is a short study of an approach offering high tolerance to damage (i.e. defects or 'drop outs') in solid state fault-tolerant quantum computing. Our method is primarily aimed at…Quinten Eggerickx, Simon C. Benjamin·Jul 24, 2026SaveLearn
Explicit block-encodings for biharmonic boundary-value problemsThe biharmonic equation is a prototypical fourth-order partial differential equation whose high-dimensional discretization suffers from rapidly growing degrees of freedom and severe ill-conditioning.…Chuwen Ma, Zihao Tang·Jul 24, 2026SaveLearn
Metrology of quantum imaging schemesWe compare the performance of quantum imaging schemes based on spatially correlated photon pairs by formulating them as quantum multiparameter estimation problems, in which the object is…Emma Brambila, Giacomo Sorelli·Jul 24, 2026SaveLearn
Quantum-informed surrogate sampling for combinatorial optimizationWe introduce Quantum-Informed Surrogate Sampling (QISS), a post-processing framework that generates candidate solutions to combinatorial optimization problems from low-weight correlations of shallow…Elisabeth Wybo, Jernej Rudi Finžgar·Jul 24, 2026SaveLearn
Klein tunneling through an asymmetric barrier: Symmetric transmission and directional pair creationWe prove that the transmission probability for the Klein tunneling through a spatially asymmetric barrier is the same for left and right incidence whenever each asymptotic lead carries a single…Andre G. Campos, Denys I. Bondar·Jul 24, 2026SaveLearn
The Threshold Theorem in Watts: Fault Tolerance as a Question About Objective ProbabilityIn 2011 Hagar & Sergioli proposed a new interpretation of objective probability in deterministic physics. On it, the probability of a physical state supervenes on the resources, energy over time,…Amit Hagar·Jul 24, 2026SaveLearn
Lower bounds for the CNOT-complexity of linear reversible operatorsThe CNOT-complexity of an invertible matrix over F2 is the minimum number of CNOT gates needed to synthesize the corresponding linear reversible operator. While the maximum…Søren Fuglede Jørgensen·Jul 24, 2026SaveLearn
Dark Polaron Theory for High Intensity Laser CoolingConventional laser control schemes for cooling and gate operation of trapped ions are limited to the regime of weak laser intensities and small Lamb-Dicke parameters. To overcome this limitation, we…Marcel Morillas-Rozas, Alberto López-García, Enamul Haque et al.·Jul 24, 2026SaveLearn
Maximal Fisher Budget Forces Blind Directions in Bipartite Collective SU(d) MetrologyFor pure two-qudit probes used in a single fixed setting to estimate a common SU(d) transformation, maximal total Fisher sensitivity and full local identifiability are mutually exclusive. We derive…Tariq Aziz, Naeem Akhtar, Dong Wang et al.·Jul 24, 2026SaveLearn
Molecular chiral discrimination through symmetry-breaking spin dynamicsMolecular chirality plays a crucial role in physics, chemistry, life sciences and pharmacology. Nowadays, the chiral discrimination and control at the single-molecule level is urgently needed to…Tianyu Xie, Yucheng Hao, Mingzhe Liu et al.·Jul 24, 2026SaveLearn
Mitigating Capacitive Loading Enables Fast Two-Qubit Gates in Highly Connected Fluxonium Quantum ProcessorsFluxonium qubits combine long coherence times with strong anharmonicity, making them attractive for scalable superconducting quantum processors. Recent experiments have demonstrated high-fidelity…Quan Guan, Guo Xuan Chan, Xu Dou et al.·Jul 24, 2026SaveLearn
Weak Permanent Anti-Concentration for Random Gaussian Matrices in Boson SamplingRecent demonstrations of quantum computational advantage have been driven largely by sampling problems. A prominent model, boson sampling, involves sampling from the output distribution of a linear…Fei Meng, Bin Cheng, Jianan Li et al.·Jul 24, 2026SaveLearn
Optical time travel: proposal for testing Hawking's Chronology Protection Conjecture in an optical analogueClassical general relativity allows time travel, but Hawking [Phys. Rev. D 46, 603 (1992)] conjectured that quantum mechanics ultimately prevents it. Here we propose a feasible experiment to test…D. Bermudez, U. Leonhardt·Jul 24, 2026SaveLearn
Norm of resonance states in quantum scattering and electromagnetic systemsResonance states spatially diverge and are thus not square integrable. Instead, their norm is defined by the biorthogonal scalar product of left and right states. We replace the corresponding volume…Florian Lorenz, Jan Möseritz-Schmidt, Roland Ketzmerick·Jul 24, 2026SaveLearn
QC-PHAST Search: Classical--Quantum Query Benchmarks for Finite-Pool Rare-Regime DiscoveryRare-regime discovery in parameterized dynamical systems is an active-search problem: find one verified parameter at which a scientifically defined qualitative threshold is crossed, even when…Harsh Milind Tirhekar, Chandrajit Bajaj·Jul 24, 2026SaveLearn
Proposal for Estimating the Energy Gap of the Transverse-Field Ising Hamiltonian Using a D-Wave Quantum AnnealerThe transverse-field Ising model is a fundamental quantum spin system that captures the competition between quantum fluctuations and interactions, playing a central role in studies of quantum phase…Kota Yamada, Yuichiro Matsuzaki·Jul 24, 2026SaveLearn
Quantum multi-label k-nearest neighborAlthough multi-label k-nearest neighbor (ML-kNN) is able to effectively solve multi-label learning (MLL) problem with local neighborhood similarity, its time complexity is nearly unacceptable with…Yilin Shen, Qin Liao·Jul 24, 2026SaveLearn
Entanglement purification for arbitrary multipartite high-dimensional Greenberger-Horne-Zeilinger stateHigh-dimensional qudit (i.e., d-level or d-state) systems outperform two-dimensional qubit (i.e., 2-level or 2-state) systems in some quantum information processing tasks. We exploit entanglement…Yu-Qing Kong, Jia-Ye Liu, Hui-Hui Kong et al.·Jul 24, 2026SaveLearn
Quantum advantage of nonlinear quantum battery and superconducting circuit implementationA quantum battery is a novel energy storage device that operates on the principles of quantum mechanics. To enhance the charging performance of quantum batteries and further provide theoretical…Wei-Jun Han, Peng-Yu Sun, Guo-Feng Zhang·Jul 24, 2026SaveLearn