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Quantum information I

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/9780199215706.003.0005
Subject:
Physics, Theoretical, Computational, and Statistical Physics

Information is often considered classical in a definite state rather than in a superposition of states. It seems rather strange to consider information in superpositions. Some people would, on the ... More


Entropy

Robert Alicki and Mark Fannes

in Quantum Dynamical Systems

Published in print:
2001
Published Online:
February 2010
ISBN:
9780198504009
eISBN:
9780191708503
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198504009.003.0009
Subject:
Physics, Theoretical, Computational, and Statistical Physics

This chapter begins with the discussion of various meanings of the entropy: Boltzmann entropy, Shannon entropy, von Neumann entropy. It then presents the basic properties of the von Neumann entropy ... More


Outlook

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/9780199215706.003.0014
Subject:
Physics, Theoretical, Computational, and Statistical Physics

This book has discussed the foundations of quantum information science as well as the relationship between physics and information theory in general. It has considered the quantum equivalents of the ... More


Information mechanics

Sandip Tiwari

in Nanoscale Device Physics: Science and Engineering Fundamentals

Published in print:
2017
Published Online:
August 2017
ISBN:
9780198759874
eISBN:
9780191820847
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198759874.003.0001
Subject:
Physics, Condensed Matter Physics / Materials, Atomic, Laser, and Optical Physics

Information is physical, so its manipulation through devices is subject to its own mechanics: the science and engineering of behavioral description, which is intermingled with classical, quantum and ... More


Entropy, information and energy

Sandip Tiwari

in Semiconductor Physics: Principles, Theory and Nanoscale

Published in print:
2020
Published Online:
November 2020
ISBN:
9780198759867
eISBN:
9780191820830
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198759867.003.0002
Subject:
Physics, Condensed Matter Physics / Materials

Chapter 2 brings forth the links between entropy and energy through their intimate link to information. Probabilities—as a statistical tool when there are unknowns—connect to information as well as ... More


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