A continuous variable born machine
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Čepaitė, Ieva and Coyle, Brian and Kashefi, Elham (2022) A continuous variable born machine. Quantum Machine Intelligence, 4. 6. ISSN 2524-4914 (https://doi.org/10.1007/s42484-022-00063-3)
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Abstract
Generative modelling has become a promising use case for near-term quantum computers. Due to the fundamentally probabilistic nature of quantum mechanics, quantum computers naturally model and learn probability distributions, perhaps more efficiently than can be achieved classically. The quantum circuit Born machine is an example of such a model, easily implemented on near-term quantum computers. However, the Born machine was originally defined to naturally represent discrete distributions. Since probability distributions of a continuous nature are commonplace in the world, it is essential to have a model which can efficiently represent them. Some proposals have been made in the literature to supplement the discrete Born machine with extra features to more easily learn continuous distributions; however, all invariably increase the resources required. In this work, we discuss the continuous variable Born machine, built on the alternative architecture of continuous variable quantum computing, which is much more suitable for modelling such distributions in a resource-minimal way. We provide numerical results indicating the model’s ability to learn both quantum and classical continuous distributions, including in the presence of noise.
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Item type: Article ID code: 79687 Dates: DateEvent15 March 2022Published15 March 2022Published Online15 January 2022AcceptedSubjects: Science > Physics Department: Faculty of Science > Physics Depositing user: Pure Administrator Date deposited: 22 Feb 2022 14:53 Last modified: 28 Nov 2024 06:46 URI: https://strathprints.strath.ac.uk/id/eprint/79687