Witworld: A generalised probabilistic theory featuring post-quantum steering

12 Feb 2021 Paulo J. Cavalcanti John H. Selby Jamie Sikora Thomas D. Galley Ana Belén Sainz

We introduce Witworld: a generalised probabilistic theory with strong post-quantum features, which subsumes Boxworld. Witworld is the first theory that features post-quantum steering, and also the first that outperforms quantum theory at the task of remote state preparation... (read more)

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