Hamiltonian learning for quantum error correction

The efficient validation of quantum devices is critical for emerging technological applications. In a wide class of use cases the precise engineering of a Hamiltonian is required both for the implementation of gate-based quantum information processing as well as for reliable quantum memories. Inferr...

Full description

Bibliographic Details
Main Authors: Agnes Valenti, Evert van Nieuwenburg, Sebastian Huber, Eliska Greplova
Format: Article
Language:English
Published: American Physical Society 2019-11-01
Series:Physical Review Research
Online Access:http://doi.org/10.1103/PhysRevResearch.1.033092
_version_ 1797211651005480960
author Agnes Valenti
Evert van Nieuwenburg
Sebastian Huber
Eliska Greplova
author_facet Agnes Valenti
Evert van Nieuwenburg
Sebastian Huber
Eliska Greplova
author_sort Agnes Valenti
collection DOAJ
description The efficient validation of quantum devices is critical for emerging technological applications. In a wide class of use cases the precise engineering of a Hamiltonian is required both for the implementation of gate-based quantum information processing as well as for reliable quantum memories. Inferring the experimentally realized Hamiltonian through a scalable number of measurements constitutes the challenging task of Hamiltonian learning. In particular, assessing the quality of the implementation of topological codes is essential for quantum error correction. Here, we introduce a neural-net-based approach to this challenge. We capitalize on a family of exactly solvable models to train our algorithm and generalize to a broad class of experimentally relevant sources of errors. We discuss how our algorithm scales with system size and analyze its resilience toward various noise sources.
first_indexed 2024-04-24T10:29:52Z
format Article
id doaj.art-0ffa4b592cb34d5fa5993a92171de883
institution Directory Open Access Journal
issn 2643-1564
language English
last_indexed 2024-04-24T10:29:52Z
publishDate 2019-11-01
publisher American Physical Society
record_format Article
series Physical Review Research
spelling doaj.art-0ffa4b592cb34d5fa5993a92171de8832024-04-12T16:46:50ZengAmerican Physical SocietyPhysical Review Research2643-15642019-11-011303309210.1103/PhysRevResearch.1.033092Hamiltonian learning for quantum error correctionAgnes ValentiEvert van NieuwenburgSebastian HuberEliska GreplovaThe efficient validation of quantum devices is critical for emerging technological applications. In a wide class of use cases the precise engineering of a Hamiltonian is required both for the implementation of gate-based quantum information processing as well as for reliable quantum memories. Inferring the experimentally realized Hamiltonian through a scalable number of measurements constitutes the challenging task of Hamiltonian learning. In particular, assessing the quality of the implementation of topological codes is essential for quantum error correction. Here, we introduce a neural-net-based approach to this challenge. We capitalize on a family of exactly solvable models to train our algorithm and generalize to a broad class of experimentally relevant sources of errors. We discuss how our algorithm scales with system size and analyze its resilience toward various noise sources.http://doi.org/10.1103/PhysRevResearch.1.033092
spellingShingle Agnes Valenti
Evert van Nieuwenburg
Sebastian Huber
Eliska Greplova
Hamiltonian learning for quantum error correction
Physical Review Research
title Hamiltonian learning for quantum error correction
title_full Hamiltonian learning for quantum error correction
title_fullStr Hamiltonian learning for quantum error correction
title_full_unstemmed Hamiltonian learning for quantum error correction
title_short Hamiltonian learning for quantum error correction
title_sort hamiltonian learning for quantum error correction
url http://doi.org/10.1103/PhysRevResearch.1.033092
work_keys_str_mv AT agnesvalenti hamiltonianlearningforquantumerrorcorrection
AT evertvannieuwenburg hamiltonianlearningforquantumerrorcorrection
AT sebastianhuber hamiltonianlearningforquantumerrorcorrection
AT eliskagreplova hamiltonianlearningforquantumerrorcorrection