ISBN: 3540410619
TITLE: Relativistic Quantum Measurement and Decoherence
AUTHOR: Breuer, Heinz-Peter; Petruccione, Francesco (Eds.)
TOC:

Special Relativity as an Open Question 1
David Z.Albert
1 The Measurement Problem 1
2 Degrees of Compatibility with Special Relativity 3
3 The Theory I Have in Mind 8
4 Approximate Compatibility with Special Relativity 10
References 13
Event-Ready Entanglement 15
Pieter Kok, Samuel L.Braunstein
1 Introduction 15
2 Parametric Down-Conversion and Entanglement Swapping 17
3 Event-Ready Entanglement 21
4 Conclusions 25
Appendix: Transformation of Maximally Entangled States26
References 28
Radiation Damping and Decoherence in Quantum Electrodynamics 31
HeinzPeter Breuer, Francesco Petruccione
1 Introduction 31
2 Reduced Density Matrix of the Matter Degrees of Freedom 33
3 The Influence Phase Functional of QED 35
4 The Interaction of a Single Electron with the Radiation Field 41
5 Decoherence Through the Emission of Bremsstrahlung 51
6 The Harmonically Bound Electron in the Radiation Field 60
7 Destruction of Coherence of Many-Particle States 61
8 Conclusions 62
References 64
Decoherence: A Dynamical Approach to Superselection Rules? 67
Domenico Giulini
1 Introduction 67
2 Elementary Concepts 69
3 Superselection Rules via Symmetry Requirements 79
4 Bargmann's Superselection Rule 81
5 Charge Superselection Rule 85
References 90
Quantum Histories and Their Implications 93
Adrian Kent
1 Introduction 93
2 Partial Ordering of Quantum Histories 94
3 Consistent Histories 95
4 Consistent Sets and Contrary Inferences: A Brief Review 97
5 Relation of Contrary Inferences and Subspace Implications 101
6 Ordered Consistent Sets of Histories 102
7 Ordered Consistent Sets and Quasiclassicality 104
8 Ordering and Ordering Violations: Interpretation 108
9 Conclusions 110
Appendix: Ordering and Decoherence Functionals 111
References 114
Quantum Measurements and Non-locality 117
Sandu Popescu, Nicolas Gisin
1 Introduction 117
2 Measurements on 2-Particle Systems with Parallel or Anti-Parallel Spins 118
3 Conclusions 123
References 123
False Loss of Coherence 125
William G.Unruh
1 Massive Field Heat Bath and a Two Level System 125
2 Spin-1/2 System 126
3 Oscillator 131
4 Spin Boson Problem 133
5 Instantaneous Change 136
6 Discussion 138
References 140
END
