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Quantum simulation of colour in perturbative quantum chromodynamics

Herschel A. Chawdhry, Mathieu Pellen

SciPost Phys. 15, 205 (2023) · published 24 November 2023


Quantum computers are expected to give major speed-ups for the simulation of quantum systems. In this work, we present quantum gates that simulate the colour part of the interactions of quarks and gluons in perturbative quantum chromodynamics (QCD). As a first application, we implement these circuits on a simulated noiseless quantum computer and use them to calculate colour factors for various examples of Feynman diagrams. This work constitutes a first key step towards a quantum simulation of generic scattering processes in perturbative QCD.

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