Quantum physics, which offers an explanation of the world on the smallest scale, has fundamental implications that pose a serious challenge to ordinary logic. Particularly counterintuitive is the notion of entanglement, which has been explored for the past 30 years and posits an ubiquitous randomness capable of manifesting itself simultaneously in more than one place.
This amazing ‘non-locality’ is more than just an abstract curiosity or paradox: it has entirely down-to-earth applications in cryptography, serving for example to protect financial information; it also has enabled the demonstration of ‘quantum teleportation’, whose infinite possibilities even science-fiction writers can scarcely imagine.
This delightful and concise exposition does not avoid the deep logical difficulties of quantum physics, but gives the reader the insights needed to appreciate them. From ‘Bell’s Theorem’ to experiments in quantum entanglement, the reader will gain a solid understanding of one of the most fascinating areas of contemporary physics.
Table of Content
Foreword.- Preface.- Introduction.- Appetiser.- Local and Nonlocal Correlations.- Nonlocality and True Randomness.- Impossibility of Quantum Cloning.- Quantum Entanglement.- Experiment.- Applications.- Quantum Teleportation.- Is Nature Really Nonlocal?.- Current Research on Nonlocality.- Conclusion.
About the author
Nicolas Gisin is Head of the Applied Physics Group at the University of Geneva and cofounder of ID Quantique. He is internationally renowned for his work in quantum communication and Editor of the series ‘Quantum Science and Technology’.
In 2009 he received the first John S. Bell award for the demonstrations of long distance entanglement and quantum teleportation, together with his numerous contributions to the theory of Bell inequalities.
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