Quantum Dynamics and Information

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World Scientific, 2011 - Science - 229 pages
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The central theme of this lecture collection is quantum dynamics, regarded mostly as the dynamics of entanglement and that of decoherence phenomena. Both these concepts appear to refer to the behavior of surprisingly fragile features of quantum systems supposed to model quantum memories and to implement quantum date processing routines. This collection may serve as an essential resource for those interested in both theoretical description and practical applications of fundamentals of quantum mechanics.
 

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Contents

Quantum memories and Landauers principle
1
Asymptotic entanglement in open quantum systems
13
Constructing positive maps in matrix algebras
37
Quantum processes
59
ηtoolbox
79
Experiments on quantum coherence with cold atoms
114
Dynamical entanglement of threelevel atoms
128
PPT states and measures of entanglement
143
Entanglement via nilpotent polynomials
156
Sudden death and sudden birth of entanglement
179
Open system dynamics of simple collision models
199
AUTHOR INDEX
229
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