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Steering in no-signalling theories

Emmanuel Zambrini Cruzeiro, Nicolas Gisin, Sandu Popescu

30/7/20 Published in : arXiv:2007.15502

Steering is usually described as a quantum phenomenon. In this article, we show that steering is not restricted to quantum theory, it is also present in more general, no-signalling theories. We present two main results: first, we show that quantum steering involves a collection of different aspects, which need to be separated when considering steering in no-signalling theories. By deconstructing quantum steering, we learn more about the nature of the steering phenomenon itself. Second, we introduce a new concept, that we call "blind steering", which can be seen as the most basic form of steering, present both in quantum mechanics and no-signalling theories.

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  • Quantum Systems

Hybrid Thermal Machines: Generalized Thermodynamic Resources for Multitasking

The virtual K-theory of Quot schemes of surfaces

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