Quantum Reservoir Computing for Credit Card Default Prediction on a Neutral Atom Platform

• URL: http://arxiv.org/abs/2510.04747v1
• Date: Mon, 06 Oct 2025 12:27:08 GMT
• Title: Quantum Reservoir Computing for Credit Card Default Prediction on a Neutral Atom Platform
• Authors: Giacomo Vitali, Chiara Vercellino, Paolo Viviani, Olivier Terzo, Bartolomeo Montrucchio, Valeria Zaffaroni, Francesca Cibrario, Christian Mattia, Giacomo Ranieri, Alessandro Sabatino, Francesco Bonazzi, Davide Corbelletto,
• Abstract summary: We implement a Quantum Reservoir Computing layer within a classical routine that includes data preprocessing and binary classification.<n>The reservoir layer has been executed on QuEra's Aquila, a 256-qubit neutral atom simulator.<n>The results are compared with a fully-classical pipeline including a Deep Neural Network (DNN) model.
• Score: 29.13676249580617
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: In this paper, we define and benchmark a hybrid quantum-classical machine learning pipeline by performing a binary classification task applied to a real-world financial use case. Specifically, we implement a Quantum Reservoir Computing (QRC) layer within a classical routine that includes data preprocessing and binary classification. The reservoir layer has been executed on QuEra's Aquila, a 256-qubit neutral atom simulator, using two different types of encoding: position and local detuning. In the former case, classical data are encoded into the relative distance between atoms; in the latter, into pulse amplitudes. The developed pipeline is applied to predict credit card defaults using a public dataset and a wide variety of traditional classifiers. The results are compared with a fully-classical pipeline including a Deep Neural Network (DNN) model. Additionally, the impact of hardware noise on classification performance is evaluated by comparing the results obtained using Aquila within the classification workflow with those obtained using a classical, noiseless emulation of the quantum system. The results indicate that the noiseless emulation achieves competitive performance with the fully-classical pipeline, while noise significantly degrades overall performance. Although the results for this specific use case are comparable to those of the classical benchmark, the flexibility and scalability of QRC highlight strong potential for a wide range of applications.

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