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Stochastic Neural Networks for Quantum Devices

arXiv Quantum Physics
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⚡ Quantum Brief
Researchers Rosenhahn, Osborne, and Hirche introduced a novel method to implement stochastic neural networks as quantum circuits, bridging classical machine learning with gate-based quantum computing. The team adapted classical perceptrons into stochastic quantum neurons, forming quantum neural networks optimized via the Kiefer-Wolfowitz algorithm and simulated annealing for weight training. Multiple architectures—including fully connected networks, Hopfield models, Boltzmann machines, autoencoders, and convolutional networks—were successfully translated into quantum-compatible frameworks. A key breakthrough demonstrates these networks functioning as oracles within Grover’s algorithm, enabling a quantum generative AI model with potential exponential speedups. Published in February 2026, the work advances hybrid quantum-classical AI, offering scalable solutions for near-term quantum devices.
Stochastic Neural Networks for Quantum Devices

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Quantum Physics arXiv:2602.22241 (quant-ph) [Submitted on 24 Feb 2026] Title:Stochastic Neural Networks for Quantum Devices Authors:Bodo Rosenhahn, Tobias J. Osborne, Christoph Hirche View a PDF of the paper titled Stochastic Neural Networks for Quantum Devices, by Bodo Rosenhahn and 2 other authors View PDF HTML (experimental) Abstract:This work presents a formulation to express and optimize stochastic neural networks as quantum circuits in gate-based quantum computing. Motivated by a classical perceptron, stochastic neurons are introduced and combined into a quantum neural network. The Kiefer-Wolfowitz algorithm in combination with simulated annealing is used for training the network weights. Several topologies and models are presented, including shallow fully connected networks, Hopfield Networks, Restricted Boltzmann Machines, Autoencoders and convolutional neural networks. We also demonstrate the combination of our optimized neural networks as an oracle for the Grover algorithm to realize a quantum generative AI model. Comments: Subjects: Quantum Physics (quant-ph); Machine Learning (cs.LG) Cite as: arXiv:2602.22241 [quant-ph] (or arXiv:2602.22241v1 [quant-ph] for this version) https://doi.org/10.48550/arXiv.2602.22241 Focus to learn more arXiv-issued DOI via DataCite Submission history From: Christoph Hirche [view email] [v1] Tue, 24 Feb 2026 10:16:10 UTC (4,484 KB) Full-text links: Access Paper: View a PDF of the paper titled Stochastic Neural Networks for Quantum Devices, by Bodo Rosenhahn and 2 other authorsView PDFHTML (experimental)TeX Source view license Current browse context: quant-ph new | recent | 2026-02 Change to browse by: cs cs.LG References & Citations INSPIRE HEP NASA ADSGoogle Scholar Semantic Scholar export BibTeX citation Loading... BibTeX formatted citation × loading... Data provided by: Bookmark Bibliographic Tools Bibliographic and Citation Tools Bibliographic Explorer Toggle Bibliographic Explorer (What is the Explorer?) Connected Papers Toggle Connected Papers (What is Connected Papers?) Litmaps Toggle Litmaps (What is Litmaps?) scite.ai Toggle scite Smart Citations (What are Smart Citations?) Code, Data, Media Code, Data and Media Associated with this Article alphaXiv Toggle alphaXiv (What is alphaXiv?) Links to Code Toggle CatalyzeX Code Finder for Papers (What is CatalyzeX?) DagsHub Toggle DagsHub (What is DagsHub?) GotitPub Toggle Gotit.pub (What is GotitPub?) Huggingface Toggle Hugging Face (What is Huggingface?) Links to Code Toggle Papers with Code (What is Papers with Code?) ScienceCast Toggle ScienceCast (What is ScienceCast?) Demos Demos Replicate Toggle Replicate (What is Replicate?) Spaces Toggle Hugging Face Spaces (What is Spaces?) Spaces Toggle TXYZ.AI (What is TXYZ.AI?) Related Papers Recommenders and Search Tools Link to Influence Flower Influence Flower (What are Influence Flowers?) Core recommender toggle CORE Recommender (What is CORE?) Author Venue Institution Topic About arXivLabs arXivLabs: experimental projects with community collaborators arXivLabs is a framework that allows collaborators to develop and share new arXiv features directly on our website. Both individuals and organizations that work with arXivLabs have embraced and accepted our values of openness, community, excellence, and user data privacy. arXiv is committed to these values and only works with partners that adhere to them. Have an idea for a project that will add value for arXiv's community? Learn more about arXivLabs. Which authors of this paper are endorsers? | Disable MathJax (What is MathJax?)

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quantum-machine-learning
quantum-computing
quantum-algorithms

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Source: arXiv Quantum Physics