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Simulating complex networks in phase space: Gaussian boson sampling
Published 20 Feb 2021 in quant-ph | (2102.10341v5)
Abstract: We show how phase-space simulations of Gaussian quantum states in a photonic network permit verification of measurable correlations of Gaussian boson sampling (GBS) quantum computers. Our results agree with experiments for up to 100-th order correlations, provided decoherence is included. We extend this to more than 16,000 modes, and describe how to simulate genuine multipartite entanglement.
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