Quantum Computation and Quantum Communication:: Theory and Experiments

Mladen Pavicic

ISBN 10: 0387244123 / ISBN 13: 9780387244129

Published by Springer-Verlag New York Inc., 2005

About this Item

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Bibliographic Details

• Title: Quantum Computation and Quantum Communication:: Theory and Experiments
• Publisher: Springer-Verlag New York Inc.
• Publication Date: 2005
• Language: English
• ISBN 10: 0387244123
• ISBN 13: 9780387244129
• Binding: Hardback
• Condition: New

About this title

Synopsis

The attraction of quantum computation and quantum communica­ tion theory and experiments hes in the fact that we engineer both them themselves and the quantum systems they treat. This approach has turned out to be very resiUent. Driven by the final goal of calculating exponentially faster and communicating infinitely more securely than we do today, as soon as we encounter a limitation in either a theory or experiment, a new idea around the no-go emerges. As soon as the decoherence "demon" threatened the first computation models, quan­ tum error correction theory was formulated and applied not only to computation theory but also to communication theory to make it un­ conditionally secure. As soon as liquid-state nuclear magnetic resonance experiments started to approach their limits, solid-based nuclear spin experiments―the Kane computer―came in. As soon as it was proved that it is theoretically impossible to completely distinguish photon Bell states, three new approaches appeared: hyperentanglement, the use of continuous variables, and the Knill-Laflamme-Milburn proposal. There are many more such examples. What facilitated all these breakthroughs is the fact that at the present stage of development of quantum computation and communication, we deal with elementary quantum systems consisting of several two-level systems. The complexity of handling and controlHng such simple sys­ tems in a laboratory has turned out to be tremendous, but the basic physical models we follow and calculate for the systems themselves are not equally intricate.

From the Back Cover

The field of quantum computing has experienced rapid development and many different experimental and theoretical groups have emerged worldwide.This book presents the key elements of quantum computation and communication theories and their implementation in an easy-to-read manner for readers coming from physics, mathematics and computer science backgrounds. Integrating both theoretical aspects and experimental verifications of developing quantum computers, the author explains why particular mathematical methods, physical models and realistic implementations might provide critical steps towards achieving the final goal - constructing quantum computers and quantum networks. The book serves as an excellent introduction for new researchers and also provides a useful review for specialists in the field.