Optimal Nonparametric Estimation of Phase-Space Representations for Non-Gaussian Continuous Variable Quantum StatesWe further develop Kernel Quantum State Estimation (KQSE), a fully data-driven nonparametric method for continuous variable quantum state reconstruction and characterization, introduced in our recent…Vladimir A. Orlov, Liubov A. Markovich·Aug 23, 2026SaveLearn
Spinning giant optomechanical cavity with nonreciprocal self-interferenceWe study a spinning optomechanical cavity that is coupled to a meandering waveguide at multiple spatially separated points, forming a giant-cavity configuration. The resulting self-interference makes…Yao-Tong Chen·Aug 23, 2026SaveLearn
Relaxation-Rectified Anti-Jaynes-Cummings Cascades for Autonomous Fock-State StabilizationWe propose an autonomous scheme for stabilizing prescribed Fock states in a Kerr cavity by rectifying anti-Jaynes--Cummings interactions with auxiliary-qubit relaxation. Full Lindblad simulations…Yan Liu, Jiahua Li·Aug 23, 2026SaveLearn
Bloch states of an infinite alternating-charge lattice under a transverse electric fieldWe consider an infinite one dimensional array of alternating charges embedded in a two-dimensional configuration space and subjected to a weak static electric field transverse to the lattice axis.…Anand Aruna Kumar·Aug 23, 2026SaveLearn
Deterministic preparation of entangled Dicke statesDicke states |J=N/2,m of a collection of N atoms were central to Dicke's theory of superradiance. Except for the fully polarized end states, they are entangled many-body states; in…Hui Wang, Marlan O. Scully, Girish S. Agarwal·Aug 23, 2026SaveLearn
Entanglement governs early-time growth of randomness in projected ensemblesDeep thermalization concerns the emergence of universal pure-state statistics in projected ensembles at late times, yet the mechanism governing the initial growth of randomness remains unclear. Here,…Thuwaragesh Jayachandran, Wai-Keong Mok·Aug 23, 2026SaveLearn
Can a Local Quantum-Mechanical Description of Physical Reality Be Considered Complete?In a complete quantum theory, one would construct it based on what we can observe in a system and operationally define in our universe. This philosophy goes back to some of the original ideals of…E. J. Thompson, J. W. Moffat·Aug 22, 2026SaveLearn
Quantum Optomechanics with Imperfect Mirrors and Casimir-Polder Effect of Atoms with Different Dynamic Polarizabilities: A Unified Treatment via a Microscopic ModelThis work aims at bringing the microphysics model of quantum optomechanics (QOM) proposed in [1] and developed in [2, 3] one step closer to be applicable to realistic experimental conditions,…Bergen Dahl, Bei-Lok Hu·Aug 22, 2026SaveLearn
Conditional Gaussian filtering by Arthurs--Kelly readout in a three-mode cluster wireMeasurement readout programs the Gaussian operation implemented by a continuous-variable cluster wire. For the standard three-node wire, momentum homodyne readout gives an additive parity channel…B. M. Rodríguez-Lara, J. A. Mendoza-Fierro·Aug 22, 2026SaveLearn
qiskit-qudits: A Qiskit Extension for Simulating Qudit Circuitsqiskit-qudits is a Qiskit extension that simulates d-level qudits by encoding each one into m = ceil(log2 d) qubits. Qudit gates are exposed as ordinary Qiskit Gate and ControlledGate subclasses,…Francesco Pudda·Aug 22, 2026SaveLearn
A Cavity-Interfaced Register of Trapped-Ion Qubits with Multi-Second CoherenceScalable quantum networks require generating remote entanglement faster than decoherence erases it, calling for nodes that combine efficient light-matter interfaces with long coherence times.…James Bate, Johannes Helgert, Marco Canteri et al.·Aug 22, 2026SaveLearn
Quantifying Nonstabilizerness of Codeword-Stabilized CodesFault-tolerant quantum computation requires non-Clifford gates, which stabilizer codes cannot supply transversally. Non-stabilizer codes are the natural place to look for them, yet no quantitative…Yuan Liu, Ke-Mi Xu·Aug 22, 2026SaveLearn
Finite-Resolution Limits on Quantum UniquenessThe Stone-von Neumann theorem makes canonical quantization unique only after one imposes strong continuity of the Weyl translation groups. We show that this continuity assumption cannot be certified…Seramika Ariwahjoedi, Sameer Ahmad Mir, Mir Faizal·Aug 22, 2026SaveLearn
Automating detection of Two-Level Systems in Superconducting QubitsMicroscopic two-level system (TLS) defects remain a primary mechanism of decoherence and operational instability in superconducting transmon qubits, necessitating scalable and automated methods for…Rama Khalil, Cameron J. Kopas, Avinash Pathapati et al.·Aug 22, 2026SaveLearn
Towards a Digital Twin for the Ground to QEYSSat Quantum LinkSimulations of physical systems require high-fidelity models to accurately represent reality. Simple models may be analytically tractable, but may not be sufficiently representative of reality for…Henri P. N. Morin, Alex Maierean, Brendon L. Higgins et al.·Aug 22, 2026SaveLearn
Surface-Code Quantum Error Correction for Molecular Tweezer Arrays: Encoding, Layout, and Correlated NoisePolar molecules trapped in optical tweezer arrays offer a promising platform for quantum information processing, providing precise control and long-range interactions that enable high-fidelity gate…Niharika Verma, Utpal Roy·Aug 22, 2026SaveLearn
Experimental Investigation of Tunable-Order Hilbert-Space ErgodicityHilbert-space ergodicity (HSE) provides a new framework for studying thermalization in driven quantum systems, complementing the eigenstate thermalization hypothesis, which is restricted to static…Zou-Wei Pan, Wenquan Liu, Xing Rong·Aug 22, 2026SaveLearn
How Far Can You Do Nothing On a Quantum Computer?We present a route-resolved comparative assessment of Rigetti's Cepheus-1-108Q and IBM Heron-r2 processors using the established 'do-nothing' state-transfer protocol. Rather than…Nitay Mayo, Tal Mor, Aryeh Lev Zabokritskiy·Aug 22, 2026SaveLearn
Belief Propagation-based Disentanglers for Tensor Network State PreparationWe develop a quantum circuit synthesis method for preparing a class of tensor network states. The scheme applies to states tractable with belief propagation (BP), a tensor network gauging scheme…Tomasz Szołdra, Peter Schmelcher·Aug 22, 2026SaveLearn
Noise-Symmetry Optimization of Quantum Error-Corrected MetrologyQuantum error correction (QEC) codes have emerged as a powerful tool to protect quantum-enhanced metrology against noise. However, the ability to correct errors alone does not guarantee high…Shuyun Su, Shengshi Pang·Aug 22, 2026SaveLearn
Reinventing the Single-pixel Imaging Paradigm via Quantum-Operator-Based Signal ProcessingA fundamental bottleneck across modern computational imaging and high-dimensional sensing is the conventional decoupled acquisition-reconstruction hierarchy, which subjects high-dimensional spatial…Bu-Ran Yu, Yi-Zhu Zhang, Kan-Xu Jia et al.·Aug 22, 2026SaveLearn
Markov Constraints Enhance Identifiability in Quantum Shadow InversionWe study quantum shadow inversion under Markovian locality constraints for four-partite systems arranged along the chain A--B--C--D. The goal is to reproduce the expectation value of a fixed…Zhixing Chen, Lin Chen·Aug 22, 2026SaveLearn
Architectural scaling tradeoffs in modular 3D bosonic quantum processorsWe propose a modular three-dimensional bosonic quantum processor built from repeatable coupled-cavity modules linked by configurable interconnect networks. Using hardware-motivated graph-theoretic…Shaojiang Zhu, Ugur Alyanak, Tanay Roy et al.·Aug 22, 2026SaveLearn
Scalable quantum simulation of continuous-time generative models via tensor networksContinuous-time flow and diffusion models are widely used across many application domains, from large-scale deployment in computer vision and protein folding to emerging adoption for modeling…Nathan X. Kodama, L. Andrew Wray, Sam Cochran et al.·Aug 22, 2026SaveLearn
Microscopic Origin of the Shannon Renyi Boundary Phase in the Critical Ising ChainShannon--Rényi entropies probe the full measurement distribution of a quantum many-body state, but their microscopic evaluation remains difficult even in free-fermion systems. We show that the Born…M. A. Rajabpour·Aug 21, 2026SaveLearn