Efficient State Preparation for Quantum Machine Learning

Fuente: arXiv
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Main Authors: Nakhl, Chris, West, Maxwell, Usman, Muhammad
Format: Preprint
Published: 2026
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author Nakhl, Chris
West, Maxwell
Usman, Muhammad
author_facet Nakhl, Chris
West, Maxwell
Usman, Muhammad
contents One of the key considerations in the development of Quantum Machine Learning (QML) protocols is the encoding of classical data onto a quantum device. In this chapter we introduce the Matrix Product State representation of quantum systems and show how it may be used to construct circuits which encode a desired state. Putting this in the context of QML we show how this process may be modified to give a low depth approximate encoding and crucially that this encoding does not hinder classification accuracy and is indeed exhibits an increased robustness against classical adversarial attacks. This is illustrated by demonstrations of adversarially robust variational quantum classifiers for the MNIST and FMNIST dataset, as well as a small-scale experimental demonstration on a superconducting quantum device.
format Preprint
id arxiv_https___arxiv_org_abs_2601_09363
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle Efficient State Preparation for Quantum Machine Learning
Nakhl, Chris
West, Maxwell
Usman, Muhammad
Quantum Physics
One of the key considerations in the development of Quantum Machine Learning (QML) protocols is the encoding of classical data onto a quantum device. In this chapter we introduce the Matrix Product State representation of quantum systems and show how it may be used to construct circuits which encode a desired state. Putting this in the context of QML we show how this process may be modified to give a low depth approximate encoding and crucially that this encoding does not hinder classification accuracy and is indeed exhibits an increased robustness against classical adversarial attacks. This is illustrated by demonstrations of adversarially robust variational quantum classifiers for the MNIST and FMNIST dataset, as well as a small-scale experimental demonstration on a superconducting quantum device.
title Efficient State Preparation for Quantum Machine Learning
topic Quantum Physics
url https://arxiv.org/abs/2601.09363