Generative IQP Circuit Learning with Physics-Informed Latent InitializationQuantum generative learning based on instantaneous quantum polynomial-time (IQP) circuits can benefit from efficient classical training strategies. A recent latent adaptation framework for IQP-based…Chen-Yu Liu, Leonardo Placidi, Marco Ballarin et al.·Jul 30, 2026SaveLearn
FedQML-Edge: Compact Quantum Feature Sketches for Communication-Constrained Roadside Federated LearningRoadside units (RSUs) supporting connected and autonomous vehicle corridors need compact models to decide when cooperative maneuvers should be rewarded, deferred, or disabled. Raw sensor streams and…Talha Azfar, Ruimin Ke·Jul 30, 2026SaveLearn
High-rate qLDPC processorsDespite significant progress on quantum low-density parity-check (qLDPC) codes, building qLDPC processors that are high-rate, high-throughput, hardware-friendly, and fast-to-decode remains a…Aditya Bhardwaj, Muzhou Ma, Nadine Meister et al.·Jul 30, 2026SaveLearn
Quantum Optimal Control at Intermediate Times: Controlling Revivals in Spin ChainsStandard Quantum Optimal Control (QOC) protocols typically maximize a physical objective just at a final target time. However, tracking or measuring the quantum state during the time evolution…Juan J. Omiste, Ignacio R. Solá·Jul 30, 2026SaveLearn
Gaussian-augmented bosonic matrix-product states: theory and applicationsWe propose and analyze the structure of a family of bosonic quantum many-body states that have the following features: (i) they include all pure Gaussian states and finite-dimensional matrix-product…Erickson Tjoa, J. Ignacio Cirac·Jul 30, 2026SaveLearn
Detection-resolution limits of large-momentum-transfer atom gravimetryLarge momentum transfer (LMT) enhances the gravitational phase of a light-pulse atom interferometer by a factor n, while mirrorless operation with momentum-resolved detection can quadruple the…Asad Ali, Saif Al-Kuwari·Jul 30, 2026SaveLearn
Quantum Resources in Disorder-Free Localization Dynamics of Gauge TheoriesQuantum-state complexity diagnostics provide valuable insight into many-body dynamics, information scrambling, and quantum computation. Here, we investigate the real-time dynamics of quantum…Devendra Singh Bhakuni, Giovanni Cataldi, Jad C. Halimeh et al.·Jul 30, 2026SaveLearn
Cascading amplifiers can create exponentially large coherenceA standard laser beam has photon degeneracy, or coherence, C, of at most 8μ2, where μ is the number of photons in the laser itself. Even quantum-engineered lasers, if required to…Lucas A. Ostrowski, Giacomo Pantaleoni, Howard M. Wiseman et al.·Jul 30, 2026SaveLearn
Experimental Demonstration of a Measurement-Feedback Quantum Information EngineHarnessing finite-time nonadiabatic transitions that are conventionally associated with quantum inner friction for useful work extraction remains an open experimental challenge. Here we address this…Jinfeng Wei, Yingying Hong, Dehua Liu et al.·Jul 30, 2026SaveLearn
Lifting Lifted Product CodesLifted product (LP) codes form an important class of quantum error correcting codes with favorable code parameters. We introduce a systematic construction of LP code families based on group…Yuta Hirasaki, Jong Yeon Lee·Jul 30, 2026SaveLearn
On Optimal Measurement-State Preparation via Geometric Transport of the Squeezing EllipsePreparation of optimal measurement states is a key requirement in quantum metrology utilizing squeezed states. We discuss a geometric framework that transforms an initially misaligned squeezed input…Vsevolod Salakhutdinov, Nikolay Kalinin·Jul 30, 2026SaveLearn
Learning Arbitrary Lindbladians from Time EvolutionWe study the problem of learning an unknown Markovian open-system generator from access to its physical time evolution. This generator, called a Lindbladian, contains Hamiltonian and dissipative…Zhili Chen, Zhan Yu·Jul 30, 2026SaveLearn
Logical computation with canonical lifted product codesHigh-rate quantum low-density parity-check (qLDPC) codes encode many logical qubits with low physical-qubit overhead, but realizing efficient fault-tolerant computation on such dense encodings…Han Zheng, Guo Zheng, Liang Jiang et al.·Jul 30, 2026SaveLearn
SymFT: Universal Fault-Tolerant Quantum Circuit Simulation via Symbolic Clifford--Pauli Frames and Stabilizer CoordinatesFault-tolerant protocols often consist largely of stabilizer subcircuits, yet the non-Clifford operations required for universality make exact sampling costly. We present SymFT, a high-throughput…Wang Fang, Huazhe Lou, Riling Li·Jul 30, 2026SaveLearn
Explicit Matrices over Z2 with CNOT and Row Complexity 4n-o(n) and Local Logic GatesIn this article, we present an explicit family of invertible n× n matrices over Z2 whose CNOT and row complexity is at least 4n-o(n); equivalently, reducing these matrices…Sherry Gong, Andrew Yu·Jul 30, 2026SaveLearn
Quantum Fidelity-per-Cost: A Metric for Evaluation of Quantum Computing SystemsCloud-accessible quantum computing has made hardware comparison not only a physics benchmark but also a practical purchasing decision. Cost-aware comparison of quantum computers remains underexplored…Siddarth Shinde, Jakub Szefer·Jul 30, 2026SaveLearn
Benchmarking Quantum Simulations of the Lipkin-Meshkov-Glick Model Using Large Tensor NetworksAs quantum computing matures, it is critical to benchmark its real-world problem solving performance against competitive classical methods, such as tensor networks. In this work, we leverage the…Maggie Bao, Rushil Dandamudi, Jerimiah Wright et al.·Jul 30, 2026SaveLearn
Statistically secure uncloneable encryption of arbitrary messagesUnconditional uncloneable encryption of a single bit with efficient encryption and decryption is now possible. However, whether the extension to messages of arbitrary length achieves statistical…Archishna Bhattacharyya, Anne Broadbent, Eric Culf·Jul 30, 2026SaveLearn
A Provable Oracle-Free Quantum Algorithm for Nonlinear Dynamics on Hybrid Oscillator-Qubit ProcessorsWe develop a hybrid qubit--qumode algorithm for nonlinear ordinary differential equations of the form x=f(x) with drift of polynomial degree~L. Following the…Kausthubh Chandramouli, Yan Li, Yuan Liu·Jul 30, 2026SaveLearn
When quantum thermal states look classicalAt high temperature, quantum Gibbs states retain several classical features of the maximally mixed state: the absence of entanglement, the absence of magic, analyticity of the partition function,…Harald Putterman, Alexander Zlokapa, Jordan Cotler·Jul 30, 2026SaveLearn
Spectral gaps of ironed two-qubit gadgets matching the iSWAP gapWe prove that every ironed two-qubit gadget whose KAK-derived parameter satisfies a=5/9 has, on the complete graph Kn with n≥slant 5, the same second-moment spectral gap as the iSWAP…Yanying Liang, Haoran Zhu·Jul 30, 2026SaveLearn
Spacetime Layout and Logical Compilation of Color CodeFault-tolerant quantum computing requires system-level coordination of logical primitives. Here, we establish a logical compilation framework for the color code, grounded in its topological structure…Qinjing Yu, Ke Liu·Jul 30, 2026SaveLearn
Structure-Preserving Quantum Simulation of Wave Equations on a Trapped-Ion ProcessorWave equations provide a natural testbed for near-term quantum simulation of partial differential equations, but hardware demonstrations have remained limited in spatial dimension, equation class,…Abhishek Shringi, Hsuan-Cheng Wu, Ahmed Shokry et al.·Jul 30, 2026SaveLearn
Generating broadband optical squeezing via Cascaded Micro-Ring ResonatorsBroadband squeezed light functioning as a Markovian reservoir can exponentially enhance light-matter interactions, benefiting quantum technologies. However, conventional single-cavity sources face a…Chung-Hsien Wang, Tian Zhong·Jul 30, 2026SaveLearn
Optical linewidth narrowing for device-coupled single T centersSingle T centers in silicon have emerged as promising optically active spins for quantum networking applications. One of the major obstacles to advancing the system is their broad optical linewidth…Adam Johnston, Yu-En Wong, Shengbin Yan et al.·Jul 30, 2026SaveLearn