Research
In-depth analysis of the latest academic papers, breakthroughs, and experimental results in quantum computing.
A Quantum Reservoir for Neurodynamical Forecasting
arXiv:2608.00139v1 Announce Type: new Abstract: Forecasting neural activity from short recordings remains a fundamental challenge. Reservoir computing may offer...
Canonical quantization of the Pais-Uhlenbeck oscillator with a higher-derivative perturbation: a covariant phase space approach
arXiv:2608.00108v1 Announce Type: new Abstract: In this paper, we apply the covariant phase space formalism to the perturbative canonical quantization of the Pa...
Exact minimum measurement dependence for faithful local deterministic models of multipartite GHZ-Mermin correlations
arXiv:2608.00124v1 Announce Type: new Abstract: Bell derivations rest on locality, determinism, and measurement independence. Hall [Phys. Rev. Lett. 105, 250404...
Quantum Simulation of SPAD in the Space Radiation Environment
arXiv:2608.00040v1 Announce Type: new Abstract: Single-Photon Avalanche Diodes (SPADs) are critical components of emerging quantum communication networks that d...
Symmetry-initialized quantum Gibbs sampling: a non-Abelian asymmetry cascade
arXiv:2608.00055v1 Announce Type: new Abstract: For a quantum Gibbs sampler whose mixing bottleneck is a weakly broken symmetry, I show that the correct initial...
Cascading amplifiers can create exponentially large coherence
arXiv:2607.28716v1 Announce Type: new Abstract: A standard laser beam has photon degeneracy, or coherence, $\mathfrak{C}$, of at most $8\mu^2$, where $\mu$ is t...
Detection-resolution limits of large-momentum-transfer atom gravimetry
arXiv:2607.28749v1 Announce Type: new Abstract: Large momentum transfer (LMT) enhances the gravitational phase of a light-pulse atom interferometer by a factor...
Experimental Demonstration of a Measurement-Feedback Quantum Information Engine
arXiv:2607.28702v1 Announce Type: new Abstract: Harnessing quantum inner friction in a finite-time stroke of quantum engine to extract work remains an open expe...
Gaussian-augmented bosonic matrix-product states: theory and applications
arXiv:2607.28753v1 Announce Type: new Abstract: We propose and analyze the structure of a family of bosonic quantum many-body states that have the following fea...
Quantum Resources in Disorder-Free Localization Dynamics of Gauge Theories
arXiv:2607.28730v1 Announce Type: new Abstract: Quantum-state complexity diagnostics provide valuable insight into many-body dynamics, information scrambling, a...
Designing tight frames for quantum computing
arXiv:2607.27247v1 Announce Type: new Abstract: The aim of this thesis is to explore the implementation of a special kind of quantum measurements, so called har...
Is the H Atom Surrounded by A Cloud of Virtual Quanta Due to the Lamb Shift?
arXiv:2607.27257v1 Announce Type: new Abstract: \abstract{The Lamb shift, one of the most fundamental interactions in atomic physics, arises from the interactio...
LLM-Guided Initialization for Accelerated Hybrid Quantum-Classical Medical Image Classification
arXiv:2607.27262v1 Announce Type: new Abstract: Variational quantum algorithms often encounter barren plateaus, where cost gradients decay rapidly with increasi...
Quantum State Discrimination With Stabilizer Circuits
arXiv:2607.27339v1 Announce Type: new Abstract: The task of quantum state discrimination provides an operational characterization of distinguishability and play...
Quantum vs Classical Erasure: Equal Bounds but Unequal Costs
arXiv:2607.27341v1 Announce Type: new Abstract: Irreversibility has a fundamental thermodynamic cost, erasing information inevitably generates heat. This connec...
Exact Finite-Dimensional Evaluation of Homodyne Quantum Trajectories for Single-Quadrature Hamiltonian
arXiv:2607.26093v1 Announce Type: new Abstract: Simulation of nonlinear stochastic master equations generally requires trajectory-level evolution of large Hilbe...
Malleability of transformations on the ciphertext in noisy Quantum public key encryption
arXiv:2607.26086v1 Announce Type: new Abstract: We characterize a noisy variant of a Quantum public encryption protocol recently introduced by Malavolta and Wal...
Quantum Information Decoupling Beyond Finite Dimensions
arXiv:2607.26123v1 Announce Type: new Abstract: Quantum information decoupling is a pillar of quantum information theory, underlying quantum communication, erro...
Quantum mechanics on the line with two origins
arXiv:2607.26080v1 Announce Type: new Abstract: We study scalar and spinorial quantum dynamics on the standard line with two origins, \[ \Ltwo=(\R_1\sqcup\R_2)/...
Qubit-qubit-qutrit quantum correlations in $H \to f \bar f V$
arXiv:2607.26122v1 Announce Type: new Abstract: We perform an extensive analysis of the quantum correlations carried by the qubit-qubit-qutrit pure state arisin...
A Difference Operator Approach to Quantum Random Walks: Parseval Identity, Krawtchouk Matrices, and Hermite Limits
arXiv:2607.24837v1 Announce Type: new Abstract: We introduce a discrete difference operator D_k to study the one-dimensional quantum random walk (QRW) with the...
Can a quantum circuit detect the Unruh effect?
arXiv:2607.24836v1 Announce Type: new Abstract: The Unruh effect predicts that an accelerating observer perceives the Minkowski vacuum as a thermal bath, yet di...
Closed-Form Expectation Values of the Damped Kerr Oscillator
arXiv:2607.24842v1 Announce Type: new Abstract: We derive a closed-form analytical expression for the expectation values of a damped Kerr nonlinear oscillator i...
Unitary designs from perturbed time evolutions of a chaotic Hamiltonian
arXiv:2607.24851v1 Announce Type: new Abstract: Unitary designs provide efficient substitutes for Haar-random unitaries in quantum information processing, rando...
Wave-functional formulation of dissipative CSL models
arXiv:2607.24853v1 Announce Type: new Abstract: We formulate minimal and dissipative Continuous Spontaneous Localization (CSL) dynamics in the functional Schr\"...
Bias-preserving cat-cat CNOT gate via vacuum-conditional beam-splitter
arXiv:2607.22852v1 Announce Type: new Abstract: Cat qubits can exhibit strong noise bias due to their exponentially enhanced bit-flip times and only polynomiall...
Machine Learning of Quantum Entanglement from Noisy Measurements
arXiv:2607.22853v1 Announce Type: new Abstract: In this work, we investigate the application of Machine Learning (ML) algorithms to the identification and quant...
Practical advantage beyond the quadratic speedup limit with fully-quantum walks
arXiv:2607.22818v1 Announce Type: new Abstract: We introduce a new class of fully-quantum Metropolis walks in which both the proposal and acceptance steps are i...
ViBra: Configuration Interaction for Anharmonic Vibrational Spectroscopy and Quantum-Sampled Configuration Spaces
arXiv:2607.22850v1 Announce Type: new Abstract: Quantum-centric workflows are a promising route to improving the accuracy of property predictions in computation...
Wigner negativity and stellar rank for SU(1,1) states
arXiv:2607.22810v1 Announce Type: new Abstract: Quasiprobability distributions for systems endowed with SU(1,1) dynamical symmetry have received surprisingly li...
Absent, Not Faint: Fisher-Information Limits and a Logarithmic Measurement-Design Cure for Passive Characterization of Coherent Qubit Noise
arXiv:2607.21663v1 Announce Type: new Abstract: Calibrating a quantum processor means estimating error parameters, and estimation theory usually assumes a param...
Hash-QNeRF: Multiresolution Hash Encoding for Quantum Neural Radiance Fields
arXiv:2607.21675v1 Announce Type: new Abstract: Neural Radiance Fields (NeRF) have revolutionized novel view synthesis, yet their classical implementations rema...
Non-Clifford quantum cellular automata from invertible topological quantum field theories
arXiv:2607.21697v1 Announce Type: new Abstract: Quantum cellular automata (QCAs) describe locality-preserving quantum dynamics and connect quantum information,...
Quantum Correlations in Frustrated Three-Body Systems
arXiv:2607.21666v1 Announce Type: new Abstract: Many physical systems are not understood from first principles due to the presence of multi-body quantum correla...
Tunable Mpemba Effect in a Prethermal Many-Body Spin Network
arXiv:2607.21669v1 Announce Type: new Abstract: Relaxation in an interacting system is determined not only by its initial distance from equilibrium, but also by...
Autonomization of Quantum Systems and the Emergence of the Work Operator
arXiv:2607.20602v1 Announce Type: new Abstract: Estimation of work at the quantum scale remains a central challenge in quantum thermodynamics. Canonical approac...
Enabling Neutral Atom Integration: Redesigning Device Models for Universal Quantum Ecosystems
arXiv:2607.20616v1 Announce Type: new Abstract: Quantum computing is transitioning from an academic idea to a practical technology, driven by recent hardware ad...
Learning the closest Slater determinant
arXiv:2607.20623v1 Announce Type: new Abstract: Learning compact, interpretable descriptions of quantum many-body states is an important task in quantum science...
Machine-Learned Compact Subspace Generation for Quantum Selected Configuration Interaction within Density Matrix Embedding Framework
arXiv:2607.20585v1 Announce Type: new Abstract: Sample-based Quantum Diagonalization (SQD), an extension of Quantum Selected Configuration Interaction (QSCI), h...
Perturbatively Stable Self-Correcting Classical Memory from Gauge Averaging
arXiv:2607.20605v1 Announce Type: new Abstract: We show that the self-correcting memory in 3d Wegner gauge theory is stable to arbitrary small enough perturbati...
A unified framework for anomalous boson bunching
arXiv:2607.19499v1 Announce Type: new Abstract: Anomalous bunching is a paradoxical quantum interferometric phenomenon in which partially distinguishable photon...
Decoder Comparability Across Quantum Software Stacks: Repeated-Round Surface and Digitized-GKP Syndrome Replay
arXiv:2607.19446v1 Announce Type: new Abstract: We present a contract-preserving, family-aware comparison of decoder behavior across four syndrome-generation st...
Hardware-in-the-Loop Syndrome-to-Decoder Validation for Repetition, Surface, CSS-LDPC, and Digitized-GKP Codes
arXiv:2607.19447v1 Announce Type: new Abstract: Quantum error-correction experiments increasingly require a verified interface between measured syndrome bits an...
Hybrid LLM-Guided Search for Quantum Reservoir Architecture Design
arXiv:2607.19506v1 Announce Type: new Abstract: Quantum reservoir computing (QRC) uses fixed quantum dynamics as a high-dimensional temporal feature map and tra...
Quantum resonance-enhanced performance of quantum battery
arXiv:2607.19477v1 Announce Type: new Abstract: Quantum resonance arising whenever the ratio of the intrinsic system frequency to the driving frequency becomes...
A First Bound on the Moffat Energy and Thorium--229 Clock as a Probe of the Nonlocal Time-Energy Structure
arXiv:2607.18333v1 Announce Type: new Abstract: The new Thorium--229 nuclear clocks give us a new laboratory system in which to test if modification of the Time...
Adlam's Frame: comment on "Wigner's Frame"
arXiv:2607.18383v1 Announce Type: new Abstract: Recent no-go theorems based on extended Wigner's Friend scenarios (EWFS) reveal a deep tension between the unive...
Nishimori Threshold Estimation for Bayesian Inference and $\mathbb{Z}_q$ Surface Code Decoding
arXiv:2607.18374v1 Announce Type: new Abstract: In quantum error correction, the error threshold provides essential quantitative guidance for the ability to bri...
Phase-Selective Amplitude Amplification for Constrained Optimization
arXiv:2607.18338v1 Announce Type: new Abstract: This work introduces a variant of Grover amplitude amplification using stabilizer and blade qubits to improve bo...
Probing gravitational interaction between milligram optomechanical oscillators operating in the quantum regime
arXiv:2607.18351v1 Announce Type: new Abstract: We present an ongoing optomechanical experiment aimed at detecting gravitational interaction between milligram-s...
A Hybrid Classical-Quantum Approach for Multi-Constrained Location Optimization Problem
arXiv:2607.16277v1 Announce Type: new Abstract: The Maximal Covering Location Problem (MCLP) is an NP-hard Combinatorial Optimization Problem (COP) that aims to...
EPIC-CIM: Training Convolutional Neural Networks on a Coherent Ising Machine via Equilibrium Propagation
arXiv:2607.16271v1 Announce Type: new Abstract: Quantum convolutional neural networks, due to the involvement of quantum measurements and discrete quantum state...
Intelligence-Guided Adaptive Purification for DDoS-Resilient Quantum Networks: A CUDA-Q based Study
arXiv:2607.16276v1 Announce Type: new Abstract: Quantum-repeater networks require adaptive control policies that balance entanglement generation rate, end-to-en...
QR-SPPS: Quantum-Native Retail Supply Chain Risk Simulation via VQE, ADAPT-VQE Counterfactual Policy Ranking, and DOS-QPE Boltzmann Tail Risk Quantification
arXiv:2607.16275v1 Announce Type: new Abstract: Classical supply chain risk models treat node failures as statistically independent events, systematically under...
Relativistic bound-state solutions for a non-central Schi{\"o}berg-type hyperbolic potential with double ring-shaped angular terms
arXiv:2607.16265v1 Announce Type: new Abstract: Singular interactions can reshape quantum spectra by changing admissible wavefunction domains. In this study, we...
Collective Enhancement of Nuclear Excitation for a Nuclear Quantum Battery
arXiv:2607.15319v1 Announce Type: new Abstract: Current implementations of quantum batteries are constrained by limited energy density and short retention times...
Non-Hermitian Quantum Adiabatic Algorithm
arXiv:2607.15343v1 Announce Type: new Abstract: Non-Hermitian systems offer new opportunities for quantum optimization and computation. Here, we show that non-H...
Quantum error-correcting codes from aperiodic monotiles: the Hat and the Spectre
arXiv:2607.15326v1 Announce Type: new Abstract: Li and Boyle showed that the Penrose tiling defines a quantum error-correcting code: superpositions of tilings o...
Shielded RL for Route-Charged Parity-Term Ordering in QEDA Phase Components
arXiv:2607.15307v1 Announce Type: new Abstract: Commuting phase terms in quantum electronic design automation (QEDA) placement circuits are logically invariant...
Structure-Agnostic Unitary Learning from Quantum Observable Dynamics with Application to Hamiltonian Identification
arXiv:2607.15316v1 Announce Type: new Abstract: We present a variational algorithm for learning an unknown quantum unitary from time-series observable measureme...
A Hybrid Quantum-Classical Approach for Melt Pool Prediction in Laser Powder Bed Fusion
arXiv:2606.23719v1 Announce Type: new Abstract: Laser powder bed fusion (LPBF) is a promising additive manufacturing technique that suffers from quality assuran...
Certifying Quantum Optimization and Circuit Cutting by Using Quantum-Classical Moment Duality
arXiv:2606.23727v1 Announce Type: new Abstract: We establish a direct quantum-classical duality based on the degree-$2$ Sum-of-Squares (SoS) semidefinite progra...
Dimensionality Reduction of QAOA Parameter Space with Kernel PCA for Max-Cut
arXiv:2606.23718v1 Announce Type: new Abstract: The Quantum Approximate Optimization Algorithm (QAOA) is a leading variational algorithm for combinatorial optim...
Quantum-enhanced estimation of stimulated Raman optical activity
arXiv:2606.23722v1 Announce Type: new Abstract: In recent times there has been growing interest in Raman optical activity (ROA) for its label free detection of...
Ultra-Low-Rate Information Reconciliation: Repetition Coding or Dedicated Codes?
arXiv:2606.23726v1 Announce Type: new Abstract: We compare repetition-based ultra-low-rate information reconciliation with dedicated ultra-low-rate codes for CV...
Advances in Quantum Error Correction: From Theory to Practice
A research overview of quantum error correction — surface codes, color codes, qLDPC codes, and the latest breakthroughs bringing fault-tolerant quantum computing closer to reality.