Variational protocols for emulating digital gates using analog control with always-on interactions

Fuente: arXiv
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Hauptverfasser: Chevallier, Claire, Vovrosh, Joseph, de Hond, Julius, Dagrada, Mario, Dauphin, Alexandre, Elfving, Vincent E.
Format: Preprint
Veröffentlicht: 2024
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author Chevallier, Claire
Vovrosh, Joseph
de Hond, Julius
Dagrada, Mario
Dauphin, Alexandre
Elfving, Vincent E.
author_facet Chevallier, Claire
Vovrosh, Joseph
de Hond, Julius
Dagrada, Mario
Dauphin, Alexandre
Elfving, Vincent E.
contents We design variational pulse sequences tailored for neutral atom quantum simulators and show that we can engineer layers of single-qubit and multi-qubit gates. As an application, we discuss how the proposed method can be used to perform refocusing algorithms, SWAP networks, and ultimately quantum chemistry simulations. While the theoretical protocol we develop still has experimental limitations, it paves the way, with some further optimisation, for the use of analog quantum processors for variational quantum algorithms, including those not previously considered compatible with analog mode.
format Preprint
id arxiv_https___arxiv_org_abs_2402_07653
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Variational protocols for emulating digital gates using analog control with always-on interactions
Chevallier, Claire
Vovrosh, Joseph
de Hond, Julius
Dagrada, Mario
Dauphin, Alexandre
Elfving, Vincent E.
Quantum Physics
Quantum Gases
We design variational pulse sequences tailored for neutral atom quantum simulators and show that we can engineer layers of single-qubit and multi-qubit gates. As an application, we discuss how the proposed method can be used to perform refocusing algorithms, SWAP networks, and ultimately quantum chemistry simulations. While the theoretical protocol we develop still has experimental limitations, it paves the way, with some further optimisation, for the use of analog quantum processors for variational quantum algorithms, including those not previously considered compatible with analog mode.
title Variational protocols for emulating digital gates using analog control with always-on interactions
topic Quantum Physics
Quantum Gases
url https://arxiv.org/abs/2402.07653