Journal of Tecnologia Quantica
Vol. 3 No. 3 (2026)

Thermodynamic Cost of Learning in Variational Quantum Machines: An Information-Theoretic Framework

Listiawati Listiawati (Politeknik Pelayaran Malahayati)
Nay Lin Aung (Myanmar Aerospace Engineering Myanmar University)
Khin Myo Aye (University of Computer Studies Yangon)



Article Info

Publish Date
16 Oct 2026

Abstract

The emergence of variational quantum machines (VQMs) has introduced new paradigms for quantum learning by combining quantum computational advantages with classical optimization strategies. However, the physical resources required during the learning process remain insufficiently understood, particularly from the perspective of thermodynamic efficiency. This study develops an information-theoretic framework to analyze the thermodynamic cost of learning in variational quantum systems by establishing relationships between information acquisition, parameter optimization, entropy variation, and energy dissipation. The proposed framework integrates principles from quantum information theory and nonequilibrium thermodynamics to quantify the minimum energetic requirements associated with updating quantum models during training. The analysis demonstrates that learning efficiency in VQMs is fundamentally constrained by information processing limits, where reductions in uncertainty and improvements in model performance correspond to measurable thermodynamic expenditures. The framework provides a theoretical foundation for evaluating the sustainability and scalability of future quantum learning architectures. This research contributes a new perspective by linking quantum machine learning performance with physical resource consumption, offering insights for designing energy-efficient quantum artificial intelligence systems.

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Journal Info

Abbrev

quantica

Publisher

Subject

Physics

Description

Journal of Tecnologia Quantica is dedicated to bringing together the latest and most important results and perspectives from across the emerging field of quantum science and technology. Journal of Tecnologia Quantica is a highly selective journal; submissions must be both essential reading for a ...