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Quantum Optics

John Garrison and Raymond Chiao

Published in print:
2008
Published Online:
September 2008
ISBN:
9780198508861
eISBN:
9780191708640
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198508861.001.0001
Subject:
Physics, Atomic, Laser, and Optical Physics

Quantum optics is the field of physics describing the interaction of individual photons with matter, but in recent years it has expanded beyond pure physics to become an important driving force for ... More


Measures of entanglement

Vlatko Vedral

in Introduction to Quantum Information Science

Published in print:
2006
Published Online:
January 2010
ISBN:
9780199215706
eISBN:
9780191706783
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199215706.003.0010
Subject:
Physics, Theoretical, Computational, and Statistical Physics

This chapter discusses how entangled two states are. One obvious way is to consider the distillation procedure, in which the entanglement of any state is quantified by how many fully entangled qubits ... More


Witnessing quantum entanglement

Vlatko Vedral

in Introduction to Quantum Information Science

Published in print:
2006
Published Online:
January 2010
ISBN:
9780199215706
eISBN:
9780191706783
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199215706.003.0008
Subject:
Physics, Theoretical, Computational, and Statistical Physics

Quantum entanglement is a key resource in quantum information. Teleportation, dense coding, and many other quantum protocols rely on the existence of entanglement, and would not be possible with just ... More


Faster-than-Light Schemes: Quantum Reality

John C. H. Spence

in Lightspeed: The Ghostly Aether and the Race to Measure the Speed of Light

Published in print:
2019
Published Online:
October 2019
ISBN:
9780198841968
eISBN:
9780191878084
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198841968.003.0010
Subject:
Physics, Atomic, Laser, and Optical Physics, History of Physics

Developments since Einstein are summarized. Our systems of units and their relationship to the speed of light. Light propagation in vacuum—what stuff is an electric field made of? Quantum field ... More


Entanglement and Non‐Locality: Spooky Actions at a Distance

Christopher C. Gerry and Kimberley M. Bruno

in The Quantum Divide: Why Schrödinger's Cat is Either Dead or Alive

Published in print:
2013
Published Online:
May 2013
ISBN:
9780199666560
eISBN:
9780191748646
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199666560.003.0005
Subject:
Physics, Atomic, Laser, and Optical Physics

This chapter focuses the concepts of entanglement and non-locality. Quantum mechanics has yet another mystery—one that occurs as a consequence of superposition states involving two or more particles ... More


The Dawn of Quantum Information

Gershon Kurizki and Goren Gordon

in The Quantum Matrix: Henry Bar's Perilous Struggle for Quantum Coherence

Published in print:
2020
Published Online:
July 2020
ISBN:
9780198787464
eISBN:
9780191829512
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198787464.003.0015
Subject:
Physics, Theoretical, Computational, and Statistical Physics, Particle Physics / Astrophysics / Cosmology

Henry and Eve have finally tested their quantum computer (QC) with resounding success! It may enable much faster and better modelling of complex pharmaceutical designs, long-term weather forecasts or ... More


A Graphical Approach to Measurement-BasedQuantum Computing

Ross Duncan

in Quantum Physics and Linguistics: A Compositional, Diagrammatic Discourse

Published in print:
2013
Published Online:
May 2013
ISBN:
9780199646296
eISBN:
9780191747847
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199646296.003.0003
Subject:
Mathematics, Applied Mathematics

Quantum computations are easily represented in the graphical notation known as the zx-calculus, also known as the red–green calculus. We demonstrate its use in reasoning about measurement-based ... More


Qubits

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/9780198718536.003.0002
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

Chapter 2 clarifies the connection between Bananaworld correlations and quantum correlations with an introduction to the simplest quantum systems, qubits, using polarized photons – particles of light ... More


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