Author(s): Michele Dall’Arno, Sarah Brandsen, Alessandro Tosini, Francesco Buscemi, and Vlatko Vedral
In classical and quantum theories, there is a constraint on how much timelike information can be conveyed. New theoretical work predicts that the input-output correlations attainable when transmitting two elementary systems cannot depend on whether the systems are transmitted in series or in parallel.
[Phys. Rev. Lett. 119, 020401] Published Fri Jul 14, 2017