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International Workshop on Quantum Information Processing
 
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QIP 2010 at

ETH Life

The daily web-journal of ETH Zurich:

"Lifting the big veil"

"Nach dem grossen Schleier lüften"

18.01.2010

QIP 2010 at the

Swiss Radio DRS

Echo der Zeit

from Monday Jan 18, 2010

in German, Link >>

(Real Player recommended)

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pdf files of
Programme Booklet >>
and
Abstracts of all Talks >>

You will receive a hard copy of these files at the registration desk.

Sponsors

Pauli Center for Theoretical Studies

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The Swiss National Science Foundation

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ETH Zurich (Computer Science and Physics Department)

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Quantum Science and Technology

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CQT Singapore

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QAP European Project

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Sandia National Laboratories

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Institute for Quantum Computing

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id Quantique

3rdideequantique

Information causality

Marcin Pawlowski, Gdansk

Information Causality [M. Pawłowski et. al. Nature 461, 1101 (2009)] is a recently discovered physical principle, which can be considered a generalized version of no-signalling. It is satisfied by quantum mechanics and violated by most of the theories that allow for probability distributions not possible to be obtained by the measurements of quantum systems. This fact allows to derive from Information Causality tight bounds on some properties of quantum mechanics (eg. Tsirelson bound) or the efficiency of quantum information protocols (eg. random access codes). In this review we present the results of several papers that are concerned with this principle. We start by presenting Information Causality and discuss its derivation. Then we show its already known applications and comment on the possible future ones. Finally, we study the, so-called, no-signalling polytope to see which part of it is in agreement with Information Causality.

 

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