Quantum simulation of Pauli channels and dynamical maps: Algorithm and implementation

Tomás Basile and Carlos Pineda

PLOS ONE, 2024, vol. 19, issue 4, 1-18

Abstract: Pauli channels are fundamental in the context of quantum computing as they model the simplest kind of noise in quantum devices. We propose a quantum algorithm for simulating Pauli channels and extend it to encompass Pauli dynamical maps (parametrized Pauli channels). A parametrized quantum circuit is employed to accommodate for dynamical maps. We also establish the mathematical conditions for an N-qubit transformation to be achievable using a parametrized circuit where only one single-qubit operation depends on the parameter. The implementation of the proposed circuit is demonstrated using IBM’s quantum computers for the case of one qubit, and the fidelity of this implementation is reported.

Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0297210

DOI: 10.1371/journal.pone.0297210

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