Papers
Live trends in quantum computing research, updated daily from arXiv.
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Qubit Platforms
Hardware platform mentions in abstracts — Photonic leads
Controlled-SWAP gates by tuning of interfering transition pathways in neutral atom arrays
Mohammadsadegh Khazali, Klaus Mølmer·Nov 27, 2025
Neutral-atom quantum processors employ Rydberg blockade for multiqubit phase operations but lack similar native exchange and conditional exchange gates, which are essential primitives for state verification, fermionic and XY-model simulation, and eff...
Optimal Control for Rydberg multi-qubit operations
Hossein Abedi, Mohammadsadegh Khazali, Klaus Mølmer·Nov 27, 2025
Quantum computing algorithms can be decomposed into a universal set of elementary one- and two-qubit gates. Different physical implementations of quantum computing, however, employ interactions that permit direct conditional dynamics on multiple qubi...
A Time-Symmetric Formulation of Quantum Measurement: Reinterpreting the Arrow of Time as Information Flow
Shin-ichi Inage·Nov 27, 2025
This study proposes a time-symmetric framework for quantum measurement that restores microscopic reversibility at the level of the dynamical description while remaining compatible with causality and thermodynamic consistency. Instead of invoking a st...
Composite AdS geodesics for CFT correlators and timelike entanglement entropy
Hardik Bohra, Allic Sivaramakrishnan·Nov 27, 2025
We study how to recover timelike worldlines in AdS from CFT data as a toy model for holographically reconstructing realistic observers. We give a bulk extremization procedure that determines composite timelike-spacelike geodesics that connect timelik...
Quantum Simulation of Ligand-like Molecules through Sample-based Quantum Diagonalization in Density Matrix Embedding Framework
Ashish Kumar Patra, Anurag K. S. V., Sai Shankar P. +4 more·Nov 27, 2025
The accurate treatment of electron correlation in extended molecular systems remains computationally challenging using classical electronic structure methods. Hybrid quantum-classical algorithms offer a potential route to overcome these limitations; ...
Towards Heterogeneous Quantum Federated Learning: Challenges and Solutions
Ratun Rahman, Dinh C. Nguyen, Christo Kurisummoottil Thomas +1 more·Nov 27, 2025
Quantum federated learning (QFL) combines quantum computing and federated learning to enable decentralized model training while maintaining data privacy. QFL can improve computational efficiency and scalability by taking advantage of quantum properti...
Propagation-Distance Limit for a Classical Nonlocal Optical System
Salman Sajad Wani, Xiaoping Shi, Saif- Al-Kuwari +2 more·Nov 27, 2025
We derive closed-form analog quantum-speed-limit (QSL) bounds for highly nonlocal optical beams whose paraxial propagation is mapped to a reversed (inverted) harmonic-oscillator generator. Treating the longitudinal coordinate $z$ as an evolution para...
Adiabatic pumping of topological corner states by coherent tunneling in a 2D SSH model
Yang Peng, Rui-Shan Li, Yan-Jue Lv +1 more·Nov 27, 2025
The active manipulation of topologically protected states represents a pivotal frontier for quantum technologies, offering a unique confluence of topological robustness and precise quantum control. We propose an adiabatic pumping scheme for the long-...
Switchable Dissipative Ising coupling Based on Three-Body Coupling in magnon systems
Xi-Wen Dou, Zheng-Yang Zhou, Ai-Xi Chen·Nov 27, 2025
Magnonic systems present a compelling platform for quantum technology, owing to their strong capacity to form hybrid quantum systems via diverse couplings. To unlock the full potential of these systems, the engineering of flexible coupling between mu...
Nonlinear Optical Quantum Communication with a Two-Dimensional Perovskite Light Source
Shuyue Feng, Zijian Gan, Camryn J. Gloor +2 more·Nov 27, 2025
Two-dimensional organic-inorganic hybrid perovskite (2D-OIHP) quantum wells are emerging as promising light sources for quantum communication technologies, owing to their ability to generate polarization-encoded optical signals. In this work, we expl...
Shaping Causality: Emergence of Nonlocal Light Cones in Long-Range Quantum Systems
Shreyas Sadugol, Giuseppe Luca Celardo, Fausto Borgonovi +1 more·Nov 27, 2025
While for non-relativistic short-range interactions, the spread of information is local, remaining confined in an effective light cone, long-range interactions can generate either nonlocal (faster-than-ballistic) or local (ballistic) spread of correl...
Quantum Bayesian Optimization for Quality Improvement in Fuselage Assembly
Jiayu Liu, Chong Liu, T. Rhone +1 more·Nov 27, 2025
Recent efforts in smart manufacturing have enhanced aerospace fuselage assembly processes, particularly by innovating shape adjustment techniques to minimize dimensional gaps between assembled sections. Existing approaches have shown promising result...
Quantum Sensing using Geometrical Phase in Qubit-Oscillator Systems
Nishchay Suri, Zhihui Wang, Tanay Roy +2 more·Nov 26, 2025
We present a quantum sensing protocol for coupled qubit-oscillator systems that surpasses the standard quantum limit (SQL) by exploiting a geometrical phase. The signal is encoded in the geometrical phase that is proportional to the area enclosed in ...
Quantum Circuit Reasoning Models: A Variational Framework for Differentiable Logical Inference
Andrew Kiruluta·Nov 26, 2025
This report introduces a novel class of reasoning architectures, termed Quantum Circuit Reasoning Models (QCRM), which extend the concept of Variational Quantum Circuits (VQC) from energy minimization and classification tasks to structured logical in...
Experimental signatures of a $σ_zσ_x$ beam-splitter interaction between a Kerr-cat and transmon qubit
Josiah Cochran, Haley M. Cole, Hebah Goderya +5 more·Nov 26, 2025
Quantum error correction (QEC) requires ancilla qubits to extract error syndromes from data qubits which store quantum information. However, ancilla errors can propagate back to the data qubits, introducing additional errors and limiting fault-tolera...
A scalable advantage in multi-photon quantum machine learning
Yong Wang, Zhenghao Yin, Tobias Haug +6 more·Nov 26, 2025
Photons are promising candidates for quantum information technology due to their high robustness and long coherence time at room temperature. Inspired by the prosperous development of photonic computing techniques, recent research has turned attentio...
Modeling Quantum Autoencoder Trainable Kernel for IoT Anomaly Detection
Swathi Chandrasekhar, Shiva Raj Pokhrel, Swati Kumari +1 more·Nov 26, 2025
Escalating cyber threats and the high-dimensional complexity of IoT traffic have outpaced classical anomaly detection methods. While deep learning offers improvements, computational bottlenecks limit real-time deployment at scale. We present a quantu...
Lattice Surgery Aware Resource Analysis for the Mapping and Scheduling of Quantum Circuits for Scalable Modular Architectures
Batuhan Keskin, Cameron Afradi, Sylvain Lovis +4 more·Nov 26, 2025
Quantum computing platforms are evolving to a point where placing high numbers of qubits into a single core comes with certain difficulties such as fidelity, crosstalk, and high power consumption of dense classical electronics. Utilizing distributed ...
Zoo of Correlation Inequalities in Holography and Beyond
Kyan Louisia, Takato Mori, Herbie Warner·Nov 26, 2025
Information-theoretic inequalities often impose nontrivial constraints on holographic states. In this work, we study measurement-based classical and quantum correlations in holography, focusing on the proposed duals of classical correlation $J_W$, qu...
Accuracy and resource advantages of quantum eigenvalue estimation with non-Hermitian transcorrelated electronic Hamiltonians
Alexey Uvarov, Artur F. Izmaylov·Nov 26, 2025
In electronic structure calculations, the transcorrelated method enables a reduction of the basis set size by incorporating the electron-electron correlations directly into the Hamiltonian. However, the transcorrelated Hamiltonian is non-Hermitian, w...