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

2024/02/12 by Claire Chevallier, Chevallier, Claire, Joseph Vovrosh +9 · 2 citations
Engineering · #Analog and Mixed-Signal Circuit Design #FOS: Physical sciences #Quantum Gases (cond-mat.quant-gas) #Quantum Physics (quant-ph)

paper · pdf · doi:10.48550/arxiv.2402.07653

openalex publication_date 2024/02/12 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/01

Abstract

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.

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