On-chip generation of multi-qubit graph states with high-dimensional encoded single photonsPhotonic multi-qubit entanglement is key to optical quantum information processing, particularly universal quantum computing. Yet multi-photon sources suffer from low emission efficiency, making…Lan-Tian Feng, Bo-Hao Zhang, Di Liu et al.·Aug 4, 2026SaveLearn
Quantifying Pauli Errors in Single-Photon Resource-State GenerationWe propose a scheme to compute Pauli error rates in photonics-based quantum error correction using experimental observables of single photons produced from quantum emitters. We show that first-order…Yuktee Gupta, Andrew C. Doherty, Sahand Mahmoodian·Aug 4, 2026SaveLearn
Rydberg-Mediated Nonlinear Quantum OpticsRydberg atoms have emerged as a versatile platform for quantum optics due to their exaggerated properties, particularly their strong long-range interactions, which enable a new regime of light-matter…Yun-Hui He, Chang-Cheng Li, Xu Shen et al.·Aug 4, 2026SaveLearn
Distributed Phase Sensing with Multiphoton States in Optical InterferometryWe investigate interferometric phase-estimation using separable photon inputs that evolve into number-path entangled states through linear optical networks, followed by photon-number-resolving…Subhrajit Modak, Danilo Triggiani, Cosmo Lupo·Aug 4, 2026SaveLearn
A Standard Quantum Mechanical Treatment to Rationalize the Delayed-Choice Quantum EraserEver since the proposal of delayed choice quantum erasure and subsequent realization in the experiment by Kim et al., the interpretation and implications of delayed-choice experiments have remained a…Vipul Badhan, Pranvi, Samreet Dhillon et al.·Aug 4, 2026SaveLearn
Algebraic Speedups for Exact Inversion of Hamiltonian EvolutionsDeterministic exact inversion of an arbitrary d-dimensional unitary requires Θ(d2) coherent forward calls in the worst case. We ask how this cost changes for Hamiltonian evolution…Jizhe Lai, Mingrui Jing, Erdong Huang et al.·Aug 4, 2026SaveLearn
Bias-preserving cat-cat CNOT gate via vacuum-conditional beam-splitterCat qubits can exhibit strong noise bias due to their exponentially enhanced bit-flip times and only polynomially reduced phase-flip times with increasing photon number, which makes them attractive…Yufeng Ye, Connor T. Hann, Kyungjoo Noh et al.·Aug 4, 2026SaveLearn
Enabling Neutral Atom Integration: Redesigning Device Models for Universal Quantum EcosystemsQuantum computing is transitioning from an academic idea to a practical technology, driven by recent hardware advancements and clear paths toward real-world applications. Universal quantum ecosystems…Yannick Stade, Lukas Burgholzer, Ludwig Schmid et al.·Aug 4, 2026SaveLearn
Strong Quantum Mpemba Effect from Exact Slow-Mode Selection in Constrained Rydberg ChainsCStrong quantum Mpemba acceleration requires suppressing the slowest visible Liouvillian relaxation channel, but a robust many-body mechanism for enforcing such suppression remains challenging. We…Mingdi Xu, Kaixiang Lu, Zijun Wei et al.·Aug 4, 2026SaveLearn
Dissipative Stabilization of Floquet-Engineered Many-Body OrderFloquet driving underlies Hamiltonian and gate engineering, and produces dynamical orders with no equilibrium counterpart. These phenomena are, however, transient in well-isolated systems. We show…Shreyas Raman, Robin Schäfer, Alicia J. Kollar et al.·Aug 4, 2026SaveLearn
Periodic orbits and quantum many-body scars in integrable spin chainsQuantum many-body scars provide an exception to generic thermalising dynamics, but their relation to integrability remains unclear. Here we apply the periodic-orbit framework to the integrable…Elena Petrova, Maksym Serbyn, Marko Ljubotina·Aug 4, 2026SaveLearn
Krylov Complexity in Non-Inertial Quantum SystemsThis study formulates observer-dependent Krylov spreading for non-inertial quantum systems driven by linear Bogoliubov transformations. Starting with the closed single Rindler-pair SU(1,1) sector,…Ming-Qi Ma, Shi-Cheng Liu, Lei-Hua Liu et al.·Aug 4, 2026SaveLearn
Physics-Informed Neural Quantum Control for Rovibrational Photoassociation in a Morse Molecular SystemWe present a Physics-Informed Neural Quantum Control (PINQC) framework for rovibrational photoassociation in a Morse molecular system. The proposed method combines neural-network-based laser-field…Murilo D. Forlevesi, Emanuel Fernandes de Lima, Edson Denis Leonel·Aug 4, 2026SaveLearn
Certifying Quantum Optimization and Circuit Cutting by Using Quantum-Classical Moment DualityWe establish a direct quantum--classical duality based on the degree-2 Sum-of-Squares (SoS) semidefinite programming cone: the matrix of two-qubit Pauli-Z correlation functions obtained from…Ammar Daskin·Aug 4, 2026SaveLearn
Singularising preserving countable additivity quantum channels on quantum measurable cardinalsWe investigate the structural and dynamical properties of a class of quantum channels on von Neumann algebras induced by averaging over operator groups via the Pettis integral. Utilizing the…Sviatoslav V. Dzhenzher·Aug 4, 2026SaveLearn
Bounded Dyson maps and cavity-driven transitions in a time-dependent non-Hermitian spin-boson modelWe study a time-dependent non-Hermitian extension of the Schütte-Da Providência spin-boson Hamiltonian with complex couplings. A time-dependent Dyson map relates the model to a Hermitian counterpart…Andreas Fring, Marta Reboiro·Aug 4, 2026SaveLearn
New approaches to almost i.i.d. information theoryIndependent and identically distributed (i.i.d.) states are ubiquitous in quantum information theory. However, in a practical setting, the i.i.d. assumption is too stringent, and possibly not…Filippo Girardi, Giacomo De Palma, Ludovico Lami·Aug 4, 2026SaveLearn
Majorana Constellations: A Geometric Lens on Multipartite Entanglement and Geometric PhasesThe Majorana stellar representation maps a pure spin-S state to 2S points on a sphere. This review develops it with entanglement as the organising principle, and two objects recur throughout: the…Chon-Fai Kam·Aug 4, 2026SaveLearn
Reply to Comment on "Controlling the Dynamical Evolution of Quantum Coherence and Quantum Correlations in e+e- ΛΛ Processes at BESIII"In the annihilation process e+e- J/ψ ΛΛ via J/ψ, the hyperon--antihyperon pair emerges from the same non-perturbative QCD hadronization process, where both spins develop in a common…Elhabib Jaloum, Mohamed Amazioug·Aug 4, 2026SaveLearn
Non-normality and dissipation in Markovian quantum dynamics: Implications for quantum simulationUnderstanding the structure and stability of open quantum dynamics is increasingly important for both fundamental studies of nonequilibrium quantum systems and the development of quantum simulation…Shakib Daryanoosh·Aug 4, 2026SaveLearn
A Framework for Ruling Out Quantum SpeedupsWe study when partial Boolean functions can (and cannot) exhibit superpolynomial quantum query speedups, and develop a general framework for ruling out such speedups via two complementary lenses:…Thomas Huffstutler, Upendra Kapshikar, David Miloschewsky et al.·Aug 4, 2026SaveLearn
Quantum-to-classical correspondence in Krylov complexityWe study quantum-to-classical correspondence of the Krylov space for evolutions driven by unitary maps with a classical limit. This entails a proper definition of corresponding quantum and classical…Gastón F. Scialchi, Augusto J. Roncaglia, Diego A. Wisniacki·Aug 4, 2026SaveLearn
The Signal Horizon: Local Blindness and the Contraction of Pauli-Weight Spectra in Noisy Quantum EncodingsThe performance of quantum classifiers is typically analyzed through global state distinguishability or the trainability of variational models. This study investigates how much class information…Ait Haddou Marwan·Aug 4, 2026SaveLearn
Lunar Silicon CavityThe Moon's permanently shadowed regions (PSRs) are among the coldest places in the Solar System and are expected to become key landing sites for upcoming international space agency missions.…Jun Ye, Zoey Z. Hu, Ben Lewis et al.·Aug 4, 2026SaveLearn
Robust topological quantum state transfer with long-range interactions in Rydberg arraysWe develop a theoretical framework for fast, robust and high-fidelity topological quantum state transfer in one-dimensional systems with long-range couplings, motivated by chains of Rydberg atoms…Siri Raupach, Beatriz Olmos, Mathias B. M. Svendsen·Aug 4, 2026SaveLearn