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Quantum information: primitive notions and quantum correlations

Valerio Scarani

in Ultracold Gases and Quantum Information: Lecture Notes of the Les Houches Summer School in Singapore: Volume 91, July 2009

Published in print:
2011
Published Online:
September 2011
ISBN:
9780199603657
eISBN:
9780191729515
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199603657.003.0003
Subject:
Physics, Theoretical, Computational, and Statistical Physics

This series of introductory lectures consists of two parts. The first part reviews the basic notions of quantum physics and some primitives of quantum information. The latter are notions that one ... More


Bell Nonlocality

Valerio Scarani

Published in print:
2019
Published Online:
September 2019
ISBN:
9780198788416
eISBN:
9780191830327
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198788416.001.0001
Subject:
Physics, Particle Physics / Astrophysics / Cosmology, Theoretical, Computational, and Statistical Physics

Nonlocality was discovered by John Bell in 1964, in the context of the debates about quantum theory, but is a phenomenon that can be studied in its own right. Its observation proves that measurements ... More


The Set of Quantum Behaviors

Valerio Scarani

in Bell Nonlocality

Published in print:
2019
Published Online:
September 2019
ISBN:
9780198788416
eISBN:
9780191830327
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198788416.003.0006
Subject:
Physics, Particle Physics / Astrophysics / Cosmology, Theoretical, Computational, and Statistical Physics

Part II is devoted to the applied side of nonlocality: device-independent certification of quantumness. After an introduction to this idea, the first chapter deals with the characterisation of the ... More


Device-Independent Self-Testing

Valerio Scarani

in Bell Nonlocality

Published in print:
2019
Published Online:
September 2019
ISBN:
9780198788416
eISBN:
9780191830327
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198788416.003.0007
Subject:
Physics, Particle Physics / Astrophysics / Cosmology, Theoretical, Computational, and Statistical Physics

This chapter is devoted to deviice-independent self-testing. This refers to the fact that some extremal behaviors in the quantum set can actually be realised only with specific measurements on a ... More


Certifying Randomness

Valerio Scarani

in Bell Nonlocality

Published in print:
2019
Published Online:
September 2019
ISBN:
9780198788416
eISBN:
9780191830327
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198788416.003.0008
Subject:
Physics, Particle Physics / Astrophysics / Cosmology, Theoretical, Computational, and Statistical Physics

Nonlocality certifies that the outputs of a measurement did not pre-exist, which in particular means that they were unpredictable or random. In other words, nonlocality certifies randomness in a ... More


Quantum Secrets

Jeffrey Bub

in Bananaworld: Quantum Mechanics for Primates

Published in print:
2016
Published Online:
March 2016
ISBN:
9780198718536
eISBN:
9780191819643
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198718536.003.0007
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

Classical physics cannot guarantee the security of a procedure for distributing a cryptographic key between two parties. In a quantum world, any attempt by Eve to eavesdrop on communications between ... More


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