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Quantum information with Black Boxes

Monday, November 27, 2017 - 12:00
Place: 
Donostia International Physics Center
Who: 
Prof. Antonio Acin, ICFO
Source Name: 
DIPC

Device-independent
quantum information processing represents a new framework for quantum
information applications in which devices are just seen as quantum black boxes
processing classical information. This level of abstraction makes them
especially relevant for cryptographic applications, as (i) protocols can be
certified by the user without requiring any trust on the provider and (ii)
existing quantum hacking attacks become impossible. Device-independent
protocols are possible in quantum physics because of the existence of
correlations without classical counterpart, as predicted by Bell’s theorem. The
talk provides an overview on the device-independent scenario, with a focus on
the motivations, existing results and applications.

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