Diamond optomechanical crystals for high-frequency strain and comb generationQuantum optomechanical technologies benefit from mechanical oscillators that are high-frequency, can be coherently driven, and are capable of coupling to other quantum systems. Diamond supports all…Elham Zohari, Waleed El-Sayed, Aria Jafari et al.·Aug 27, 2026SaveLearn
Quantum Resource Estimation for Simulating the SYK Model with Trotterization, qDRIFT, and Asymmetric QubitizationThe Sachdev-Ye-Kitaev (SYK) model has been identified as a promising candidate to run on early fault-tolerant quantum computers due to the relatively modest resources required to probe non-trivial…Brian Goldsmith, Larissa Kroell, Nishna Aerabati·Aug 27, 2026SaveLearn
Quantifying the Dual-isotope Advantage for Ytterbium-array Surface Codes using Realistic Noise ModelsNeutral-atom quantum computers are a promising platform for fault-tolerant quantum computation, but logical performance depends on systemic realistic noise factors during syndrome extraction. In…Fumiyoshi Kobayashi, Toshi Kusano, Nicholas Fazio et al.·Aug 27, 2026SaveLearn
Spectral Theory of Semisimple Bivariate Bicycle CodesExtending the classical theory of two-dimensional cyclic codes, we develop an algebraic approach to bivariate bicycle codes. Using Frobenius-orbit idempotents, formulas for logical dimensions are…Eric Sabo, Mahir Bilen Can, David Marquis·Aug 27, 2026SaveLearn
Pulling strings in real time: flux tube dynamics in (2+1)-d Z2-Higgs Gauge TheoriesUnderstanding real-time flux-tube dynamics in more than one spatial dimension is key to unlocking the non-perturbative physics of confinement, and is now actively pursued by quantum computing and…Zeno Bacciconi, Martina Frau, Luca Tagliacozzo et al.·Aug 27, 2026SaveLearn
Reverse Physics for Quantum MechanicsReverse Physics is a methodology that breaks physical theories into separate mathematical and physical conditions to establish their logical relationships. To showcase the power of the methodology,…Gabriele Carcassi, Tobias Thrien, Christine A. Aidala·Aug 27, 2026SaveLearn
Quantized Low-Rank Quantum State Tomography: Hyperbolic Quantization and Riemannian Least-Squares RecoveryWe study low-rank quantum state tomography from finite-bit Pauli batch responses. To avoid bias introduced by generic quantization, we propose HyperQuant, a mean-preserving hyperbolic quantizer…HanQin Cai, Longxiu Huang, Juntao You·Aug 27, 2026SaveLearn
Quantum Information at InfinityWe introduce the Quantum Information Space at Infinity (Quinfinity) Q∞ as the inverse limit of the symbolic Quantum N-Spaces QN, identified with the complete local…L. Barbieri-Viale·Aug 27, 2026SaveLearn
Spectral Fingerprints of Gauge Theories on a Quantum ComputerMaximally mixed state spectral sampling is an unbiased quantum algorithm that allows for extraction of a finite-resolution spectral distribution from a Hamiltonian over potentially the entire allowed…Graham Van Goffrier, Debasish Banerjee, Bipasha Chakraborty et al.·Aug 27, 2026SaveLearn
Dynamics of local quantum information in random unitary circuitsThe physics of information scrambling in quantum many-body systems is intimately related to thermalisation and emergence of chaos. However, its standard characterisation through bipartite…Ratul Thakur, Sthitadhi Roy·Aug 27, 2026SaveLearn
Factorized Boolean representations for efficient quantum synthesisQuantum algorithms promise advantages beyond classical reach, but running them on error-corrected hardware requires translating Boolean specifications into reversible circuits, and the resources that…Mehul Shah, Robert Fiszer, Marek Perkowski·Aug 27, 2026SaveLearn
Detuning- and Stark-robust Rydberg gatesRydberg entangling gates driven by a two-photon transition in alkali atoms suffer from an adverse scaling of light-shift-induced errors. Robustness to such detuning errors is known to be impossible…Elie Bataille, Gyohei Nomura, Manuel Endres·Aug 27, 2026SaveLearn
Krylov Break Times from an Inhomogeneous Lieb--Robinson Light ConeKrylov and Lanczos approximations are used in quantum dynamics, quantum subspace methods, and Hamiltonian learning. A practical question is how long an m-dimensional Krylov truncation can be…Shunji Matsuura, Yoji Kawamura, Joseph Salfi et al.·Aug 27, 2026SaveLearn
Stochastic transport of a Goldstone mode in a self-organized atomic crystalSpontaneous breaking of a continuous symmetry produces a massless Goldstone mode that can evolve across a degenerate manifold at zero energy cost. Goldstone modes have been identified primarily…Zhanhai Yu, Di Xiang, Xiaotian Zhang et al.·Aug 27, 2026SaveLearn
On supporting affine functionals for Entanglement of FormationIn several articles, the authors assume that the convex roof structure of the EoF and finite-dimensionality of subsystems A and B guarantee the existence of the (global) supporting affine…A. S. Holevo, M. E. Shirokov·Aug 27, 2026SaveLearn
Randomness can be certified in energy-constrained semi-device-independent scenariosThe prepare-and-measure framework based on energy constraints offers a practical middle ground between fully device-dependent and device-independent quantum cryptography. The only assumption on an…Shashank Kumar Ranu, Lewis Wooltorton, Alastair A. Abbott et al.·Aug 27, 2026SaveLearn
Quantum Chaos and Quantum Optimal TransportChaos in classical systems can be characterized by Lyapunov exponents that measure the exponential divergence of nearby trajectories, but directly extending this framework to quantum mechanics has…Jordan Cotler, Felipe Hernández·Aug 27, 2026SaveLearn
Dynamics-based nonclassicality witness under dissipative dynamicsA dynamics-based test, originally proposed by Tsirelson for the harmonic oscillator, provides a method for certifying quantumness under the assumption of a known Hamiltonian. These tests, however,…Nguyen Vu Khoi Huynh, Nicky Nel Narido Labayna, Martine Schut et al.·Aug 27, 2026SaveLearn
Evaluating Quantum Kernel Methods for Track-Based Classification in High-Energy PhysicsWe present a systematic design for large-scale quantum kernel classification, demonstrated through a quantum support vector classifier (QSVC) for particle-track classification using centroid-based…Emmanuel Billias, Nikos Chrisochoides·Aug 27, 2026SaveLearn
The Geometry of Dissipative Complexity: A Levi-Type Decomposition Theorem for Markovian Quantum Dynamics via Lie Wedges and Invariant ConesLie algebras describe how control Hamiltonians combine in closed quantum systems. In open Markovian systems, however, dissipation introduces irreversible directions that the Lie algebra alone does…Yibin Wang, Dhara Thakkar·Aug 27, 2026SaveLearn
Optimal cloning of mixed statesWe consider the problem of approximate cloning of quantum states: given n copies of an unknown state ρ∈ Cd × d, prepare an (n+k)-copy state with high fidelity to $ρ…Marco Fanizza, Dmitry Grinko, Thilo Scharnhorst et al.·Aug 27, 2026SaveLearn
Efficient formation and identification of single emitters in 4H-SiC following maskless heavy ion implantationSingle photon emitters in silicon carbide (SiC) are a leading platform for scalable quantum technologies. Recent interest has focused on oxygen-vacancy-related emitters, which show exceptionally high…S. Eserin, L. K. S. Zimmermann, E. Schneider et al.·Aug 27, 2026SaveLearn
Tight Bounds for Purity and Product Testing from Partial TranspositionCoherent measurements across multiple copies of an unknown quantum state can substantially reduce the number of samples required to learn its properties, but remain experimentally challenging.…Oren Akresh, Jacob Beckey·Aug 27, 2026SaveLearn
The Find Rows and Columns and Decode algorithm for quantum expander codesA new adaptation of the Find Erasures and Decode algorithm from classical to quantum expander codes is presented. It runs in linear time and is parallelizable to logarithmic depth. Compared to Small…Dimiter Ostrev·Aug 27, 2026SaveLearn
Strong Converse Exponent of Quantum State MergingWe determine the strong converse exponent for the entanglement cost of quantum state merging, showing that it is characterized by the optimized α-z conditional Rényi entropies with…Mario Berta, Hao-Chung Cheng, Roberto Rubboli et al.·Aug 27, 2026SaveLearn