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Full Description
The measurement problem has been a central puzzle of quantum theory since its inception, and understanding how the classical world emerges from our fundamentally quantum universe is key to its resolution. While the 'Copenhagen' and 'Many Worlds' interpretations have dominated discussion of this philosophically charged question, Zurek builds on the physics of decoherence and introduces the theory of 'Quantum Darwinism' to provide a novel account of the emergence of classical reality. Opening with a modern view of quantum theory, the book reconsiders the customary textbook account of quantum foundations, showing how the controversial axioms (including Born's rule) follow from the consistent core postulates. Part II discusses decoherence and explores its role in the quantum-to-classical transition. Part III introduces Quantum Darwinism, explaining how an information-theoretic perspective complements, elucidates, and reconciles the 'Copenhagen' and 'Many Worlds' interpretations. This insightful book is essential reading for any student or researcher interested in quantum physics.
Contents
Preface; Part I. Foundations: 1. Introduction; 2. Discrete events from repeatability: 'Quantum Jumps' and the wave packet collapse; 3. Born's rule from the symmetries of entanglement; Part II. Decoherence: 4. Environment-induced decoherence; 5. Decoherence, Einselection, and its consequences; 6. Quantum and classical in phase space: decoherence and the second law; Part III. Quantum Darwinism: 7. Quantum Darwinism: environment as a witness; 8. Quantum Darwinism in action; 9. Quantum Darwinism and the existential interpretation.
