9783527407101

Quantum Bits and Quantum Secrets : How Quantum Physics Is Revolutionizing Codes and Computers

by
  • ISBN13:

    9783527407101

  • ISBN10:

    3527407103

  • Format: Paperback
  • Copyright: 2008-03-17
  • Publisher: Wiley-VCH

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Summary

A concise, "no-frills" introduction to quantum computation and quantum cryptography for non-experts.Rather than concentrating on stories about scientists and philosophical concepts, Quantum Bits and Quantum Secrets: How Quantum Physics is revolutionizing Codes and Computers provides a step-by-step approach to quantum information. Starting from the idea of quantum cryptography, it presents the basic principles of quantum mechanics and explains how this can be used to make cryptography absolutely secure against eavesdropping. Subsequently, the most important quantum algorithms are explained and technical problems in realizing quantum computers are discussed, followed by a presentation of recent experiments-some of which are found here in a textbook for the first time.Easily accessible for undergraduates and graduates-especially those studying subjects other than physics-who need an introduction to this rapidly developing topic.

Author Biography

Oliver Morsch, born in 1970, received his Ph.D. in physics from Oxford University in 1999. He then accepted a post as senior researcher at the National Research Council of the National Institute for the Physics of Matter in Pisa, Italy. Dr. Morsch's research interests concentrate on ultracold atoms, Bose-Einstein condensation and quantum computers. He works as a freelance science journalist for various newspapers and journals and has published two popular science books with Wiley-VCH.

Table of Contents

Introduction
The Colors of the Rainbow
A Prelude
The Early Beginnings
How Fast is Light?
Particle or Wave?
Ripples on a Lake
A Spark Flies
In Search of the Ether
Enter Einstein
Light, Waves and Oscillations
Some Useful Facts
Wavelength, Phase and Interference
Coherence
Polarization
Nature's Currency
The Story of the Quantum
An act of Desperation
Photons Galore
Uncertainty
Have You Ever Seen an Atom?
A Question of Stability
Surprising Discoveries
A Glimpse at Quantum Mechanics
Young Again
Which Way to the Screen?
Distant Relations
When Alice Met Bob
The Principles of Quantum Cryptography
A History of Secrets
Zeroes and Ones
One-time Pads
Secret Photons
An Element of Randomness
Sifting Keys
The BB84 Protocol
No Cloning, Please
Noisy Business
Growing Secrecy
Ekert's Idea
Real-world Quantum Cryptography
The Logic of Superpositions
How Quantum Computing Works
Logic Gates
The Basic Idea
Reversibility
The CNOT Gate
Something New
A Magic Test
Balanced and Unbalanced
One Step Closer . . .
Shor's Revolution
An Introduction to Quantum Algorithms
Grover's Database Search
How Fast?
Shor's Factorization Algorithm
Slow Calculations
A Nice Trick
Finding the Period
The RSA Code
Promising Prototypes
How Quantum Computers Might be Built
Moore's End
The DiVincenzo Criteria
Qubits in Different Physical Systems
Ions in Electric Traps
Optical Lattices
Superconducting Qubits
Electrons in Quantum Dots
Nuclear Magnetic Resonance
Photonic Quantum Computers
Sensitive States
Why Quantum Error Correction is Important
Classical Error Correction
A Simple Case
Trying the Impossible
More Quantum Tricks
Teleportation
Dense Coding
Dream or Reality?
The Past, Present and Future of Quantum Information
The Past
Feynman's Input
The Present
The ARDA Roadmap
Quantum Simulators
Commercial Systems
The Future
Internet Resources
Further Reading
Glossary
Bibliography
Index
Table of Contents provided by Publisher. All Rights Reserved.

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