Papers
Live trends in quantum computing research, updated daily from arXiv.
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Hardware platform mentions in abstracts — Photonic leads
Neural Architecture Search for Quantum Autoencoders
Hibah Agha, Samuel Yen-Chi Chen, Huan-Hsin Tseng +1 more·Nov 24, 2025
In recent years, machine learning and deep learning have driven advances in domains such as image classification, speech recognition, and anomaly detection by leveraging multi-layer neural networks to model complex data. Simultaneously, quantum compu...
Longitudinal Pulsed Dynamic Nuclear Polarization Transfer via Periodic Optimal Control
José P. Carvalho, Anders Bodholt Nielsen, David L. Goodwin +2 more·Nov 24, 2025
Taking inspiration from NMR spectroscopy, periodic irradiation schemes have recently shown remarkable performance when implemented into pulsed dynamic nuclear polarization (DNP) sequences. This has prompted considerable interest in development of bro...
A demonstration that classical gravity does not produce entanglement
Mike D. Schneider, Nick Huggett, Niels Linnemann·Nov 24, 2025
Once again, dispute has arisen over the interpretation of proposed quantum information theory experiments to probe the quantum nature of gravity by testing for gravitationally induced entanglement (GIE) between two spatially separated massive particl...
Entropic Dynamics approach to Quantum Electrodynamics
Ariel Caticha·Nov 24, 2025
Entropic dynamics (ED) is a framework that allows one to derive quantum theory as a Hamilton-Killing flow on the cotangent bundle of a statistical manifold. These flows are such that they preserve the symplectic and the (information) metric geometrie...
Synchronized Aharonov-Bohm Motifs via Engineered Dissipation
Christopher W. Wächtler, Gloria Platero·Nov 24, 2025
The interplay between external gauge fields and lattice geometry can induce extreme localization dynamics through complete destructive interference. We show that combining this flux-induced localization with engineered dissipation leads to robust spi...
YBa$_2$Cu$_3$O$_7$ nano-constriction Josephson junctions and SQUIDs fabricated by focused helium-ion-beam irradiation
Christoph Schmid, Christopher Buckreus, David Haas +9 more·Nov 24, 2025
By focused $30\,\mathrm{keV}$ He ion beam irradiation, epitaxially grown YBa$_2$Cu$_3$O$_7$ (YBCO) thin films can be driven from the superconducting to the insulating state with increasing irradiation dose. A properly chosen dose suppresses supercond...
Flexible Genetic Algorithm for Quantum Support Vector Machines
Nguyen Minh Duc, Vu Tuan Hai, Le Bin Ho +1 more·Nov 24, 2025
Quantum Support Vector Machines (QSVM) is one of the most promising frameworks in quantum machine learning, yet their performance depends on the design of the feature map. Conventional approaches rely on fixed quantum circuits, which often fail to ge...
Feature Ranking in Credit-Risk with Qudit-Based Networks
Georgios Maragkopoulos, Lazaros Chavatzoglou, Aikaterini Mandilara +1 more·Nov 24, 2025
In finance, predictive models must balance accuracy and interpretability, particularly in credit risk assessment, where model decisions carry material consequences. We present a quantum neural network (QNN) based on a single qudit, in which both data...
SPARTA: $χ^2$-calibrated, risk-controlled exploration-exploitation for variational quantum algorithms
Mikhail Zubarev·Nov 24, 2025
Variational quantum algorithms face a fundamental trainability crisis: barren plateaus render optimization exponentially difficult as system size grows. While recent Lie algebraic theory precisely characterizes when and why these plateaus occur, no p...
Noisy dynamics of confined quantum walks on a chip
L. Sansoni, E. Stefanutti, C. Benedetti +8 more·Nov 24, 2025
Quantum walks represent an excellent testbed for investigating the interplay between unitary coherent and incoherent dissipative processes. Thanks to photonic quantum interferometers of considerable size, experimental studies could be performed, devo...
Micrometer thick single crystal iron-garnet films on a diamagnetic buffer layer for cryogenic applications
A. N. Kuzmichev, P. M. Vetoshko, E. I. Pavluk +8 more·Nov 24, 2025
This work advances the frontier of low-damping magnetic materials, directly addressing the demand for ultra-low-loss components in quantum computing and cryogenic electronics. Here we demonstrate a new approach to get single crystal micrometer-thick ...
Web of Non-invertible Dualities for (2+1) Dimensional Models with Subsystem Symmetries
Avijit Maity, Vikram Tripathi, Andriy H. Nevidomskyy·Nov 24, 2025
We extend non-invertible duality concepts from one-dimensional systems to two spatial dimensions by constructing a web of non-invertible dualities for lattice models with subsystem symmetries. For the $\mathbb{Z}_2 \times \mathbb{Z}_2$ subsystem symm...
Processing Entangled Links Into Secure Cryptographic Keys
Marcel Kokorsch, Guido Dietl·Nov 24, 2025
The following paper presents a holistic approach to the processing of entangled links within entanglement based quantum key distribution protocols, whose security relies on the Bell inequality. We investigate the interactions, and the collective impa...
Quantum Key Distribution Based on Systematic Polar Coding
Georgi Bebrov·Nov 24, 2025
Here we concerned with quantum key distribution - a way to establish common cryptographic key between several parties. The work proposes a combination between quantum key distribution and systematic polar coding (an error correction algorithm) framew...
Toward end-to-end quantum simulation of rapidly distorted turbulence
Zhaoyuan Meng, Leyu Chen, Jin-Peng Liu +1 more·Nov 24, 2025
We propose an end-to-end quantum algorithm to simulate rapidly distorted turbulence via linear combination of Hamiltonian (LCHS). The algorithm comprises three primary stages: the efficient preparation of an initial turbulent state with a prescribed ...
HOPPS: Hardware-Aware Optimal Phase Polynomial Synthesis with Blockwise Optimization for Quantum Circuits
Xinpeng Li, Ji Liu, Shuai Xu +2 more·Nov 24, 2025
Blocks composed of {CNOT, Rz} are ubiquitous in modern quantum applications, notably in circuits such as QAOA ansatzes and quantum adders. After compilation, many of them exhibit large CNOT counts or depths, which lowers fidelity. Therefore, we intro...
Atomic magnetometry based on the ground-state Hanle effect in an elliptically polarized light wave
D. V. Brazhnikov, A. O. Makarov, K. S. Kozlova +1 more·Nov 24, 2025
We investigate the ground-state Hanle effect in alkali-metal vapor irradiating by a resonant elliptically polarized light wave. The magneto-optical resonances are observed as a change in the ellipticity parameter of the light wave polarization when s...
Diagram-to-Circuit QNLP for Financial Sentiment Analysis
T. Sakuma·Nov 24, 2025
We study a \emph{QDisCoCirc}-inspired, chunked diagram-to-circuit quantum natural language processing (QNLP) model for three-class sentiment classification of financial texts. In our classical simulations, we keep the Hilbert-space dimension manageab...
An End-to-End Distributed Quantum Circuit Simulator
Sen Zhang, Lingjun Xiong, Yipie Liu +4 more·Nov 24, 2025
Quantum computing has made substantial progress in recent years; however, its scalability remains constrained on a monolithic quantum processing unit (QPU). Distributed quantum computing (DQC) offers a pathway by coordinating multiple QPUs to execute...
Dispersive detection of single microwave photons with quantum dots
Stephanie Matern, A. Biella, P. Scarlino +2 more·Nov 24, 2025
Within a circuit quantum electrodynamics architecture, we theoretically investigate the detection of a single propagating microwave photon traveling through a resonant microwave cavity dispersively interacting with a double quantum dot tunnel-coupled...