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Live trends in quantum computing research, updated daily from arXiv.
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Qubit Platforms
Hardware platform mentions in abstracts — Photonic leads
Universal Quantum Simulation of 50 Qubits on Europe`s First Exascale Supercomputer Harnessing Its Heterogeneous CPU-GPU Architecture
Hans De Raedt, Jiri Kraus, Andreas Herten +5 more·Nov 5, 2025
We have developed a new version of the high-performance Jülich universal quantum computer simulator (JUQCS-50) that leverages key features of the GH200 superchips as used in the JUPITER supercomputer, enabling simulations of a 50-qubit universal quan...
Dynamical discontinuities in repeated weak measurements revealed by complex weak values
Lorena Ballesteros Ferraz·Nov 5, 2025
This work demonstrates that repeated weak measurements together with post-selection can produce sharp dynamical discontinuities in meter observables, even in minimal quantum systems. The discontinuous behavior is governed by the polar angle of the po...
Exploring Topologies in Quantum Annealing: A Hardware-Aware Perspective
Mario Bifulco, Luca Roversi·Nov 5, 2025
Quantum Annealing (QA) offers a promising framework for solving NP-hard optimization problems, but its effectiveness is constrained by the topology of the underlying quantum hardware. Solving an optimization problem $P$ via QA involves a hardware-awa...
Isolated quantum-state networks in ultracold molecules
Tom R. Hepworth, Simon L. Cornish, Philip D. Gregory·Nov 5, 2025
Precise control over rotational angular momentum is at the heart of recent advances in quantum chemistry, quantum simulation, and quantum computation with ultracold bialkali molecules. Each rotational state comprises a rich manifold of hyperfine stat...
Influence of Data Dimensionality Reduction Methods on the Effectiveness of Quantum Machine Learning Models
Aakash Ravindra Shinde, Jukka K. Nurminen·Nov 5, 2025
Data dimensionality reduction techniques are often utilized in the implementation of Quantum Machine Learning models to address two significant issues: the constraints of NISQ quantum devices, which are characterized by noise and a limited number of ...
Delay Time Characterization on FPGA: A Low Nonlinearity, Picosecond Resolution Time-to-Digital Converter on 16-nm FPGA using Bin Sequence Calibration
Sunwoo Park, Byungkwon Park, Eunsung Kim +3 more·Nov 5, 2025
We present a Time-to-Digital Converter (TDC) implemented on a 16 nm Xilinx UltraScale Plus FPGA that achieves a resolution of 1.15 ps, RMS precision of 3.38 ps, a differential nonlinearity (DNL) of [-0.43, 0.24] LSB, and an integral nonlinearity (INL...
Establishing a pre-logical setting in a quantum model of psycho-analytic theory
Giulia Battilotti, Rosapia Lauro Grotto·Nov 5, 2025
A crucial issue both in cognitive and psychoanalytical theories deals with the origin of mental representations. In order to explore this issue, the paper analyzes a pre-logical setting, by considering a formalized approach to the foundations of psyc...
Thermodynamic Probes of Multipartite Entanglement in Strongly Interacting Quantum Systems
Harsh Sharma, Sampriti Saha, A. S. Majumdar +2 more·Nov 5, 2025
Quantifying multipartite entanglement in quantum many-body systems and hybrid quantum computing architectures is a fundamental yet challenging task. In recent years, thermodynamic quantities such as the maximum extractable work from an isolated syste...
Quantum-classical hybrid algorithm using quantum annealing for multi-objective job shop scheduling
Kenta Sawamura, Kensuke Araki, Naoki Maruyama +2 more·Nov 5, 2025
Efficient production planning is essential in modern manufacturing to improve performance indicators such as lead time and to reduce reliance on human intuition. While mathematical optimization approaches, formulated as job shop scheduling problems, ...
Quantum Error Correction-like Noise Mitigation for Wave-like Dark Matter Searches with Quantum Sensors
Hajime Fukuda, Takeo Moroi, Thanaporn Sichanugrist·Nov 5, 2025
We propose a quantum error correction-like noise mitigation protocol for enhancing the sensitivity of wave-like dark matter searches with quantum sensors. Our protocol uses multiple sensors to mitigate the noise affecting each sensor individually, al...
Bistability and Exact Reflectionless States in Nonlinear Scattering of a Bose--Einstein Condensate
Feilong Wang, Jinlin Fan, Ruolin Chai +2 more·Nov 5, 2025
We investigate the mean-field scattering dynamics of a quasi-one-dimensional Bose--Einstein condensate interacting with a Rosen--Morse potential. For specific potential and nonlinearity parameters, we derive analytically exact, degenerate scattering ...
Quantum phase transition in the anisotropic Rabi model induced by parametric amplification
Yuan Qiu, Ke-Xiong Yan, Jun-Hao Lin +3 more·Nov 5, 2025
In this manuscript, we analyze the mechanism of the superradiant phase transition in the anisotropic Rabi model under the classical oscillator limit using the pattern picture. By expanding the anisotropic Rabi model Hamiltonian in operator space, we ...
Quantum properties of superpositions of oppositely squeezed states
Hiroo Azuma, William J. Munro, Kae Nemoto·Nov 5, 2025
We investigate the quantum properties of superpositions of oppositely squeezed states, which can be regarded as Schrodinger cat states. Compared with conventional coherent-state cat states, these states exhibit distinct photon-number structures and e...
Quantum Sensing of Copper-Phthalocyanine Electron Spins via NV Relaxometry
Boning Li, Xufan Li, Yifan Quan +2 more·Nov 5, 2025
Molecular spin systems are promising candidates for quantum information processing and nanoscale sensing, yet their characterization at room temperature remains challenging due to fast spin decoherence. In this work, we use $T_1$ relaxometry of shall...
Exploring the mechanisms of transverse relaxation of copper(II)-phthalocyanine spin qubits
Boning Li, Yifan Quan, Xufan Li +4 more·Nov 5, 2025
Molecular spin qubits are promising candidates for quantum technologies, but their performance is limited by decoherence arising from diverse mechanisms. The complexity of the environment makes it challenging to identify the main source of noise and ...
Heralded Induced-Coherence Interferometry in a Noisy Environment
L. Theerthagiri, Balakrishnan Viswanathan, C. M. Chandrashekar·Nov 5, 2025
Induced-coherence interferometry, first introduced in the Zou-Wang-Mandel (ZWM) setup, enables retrieval of object information from the interference pattern of light that never interacted with the object. This scheme relies on two identically correla...
Frequency- and Amplitude-Modulated Gates for Universal Quantum Control
Qi Ding, Shoumik Chowdhury, Agustin Di Paolo +4 more·Nov 5, 2025
Achieving high-fidelity single- and two-qubit gates is essential for executing arbitrary digital quantum algorithms and for building error-corrected quantum computers. We propose a theoretical framework for implementing quantum gates using frequency-...
D2-UC: A Distributed-Distributed Quantum-Classical Framework for Unit Commitment
Milad Hasanzadeh, Amin Kargarian·Nov 5, 2025
This paper introduces D2-UC, a quantum-ready framework for the unit commitment (UC) problem that prepares UC for near-term hybrid quantum-classical solvers by combining distributed classical decomposition with distributed quantum execution. We reform...
QAGT-MLP: An Attention-Based Graph Transformer for Small and Large-Scale Quantum Error Mitigation
S. M. A. Tousi, Guilherme N. DeSouza·Nov 5, 2025
Noisy quantum devices demand error-mitigation techniques to be accurate yet simple and efficient in terms of number of shots and processing time. Many established approaches (e.g., extrapolation and quasi-probability cancellation) impose substantial ...
Security and Privacy Management of IoT Using Quantum Computing
Jaydip Sen·Nov 5, 2025
The convergence of the Internet of Things (IoT) and quantum computing is redefining the security paradigm of interconnected digital systems. Classical cryptographic algorithms such as RSA, Elliptic Curve Cryptography (ECC), and Advanced Encryption St...