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State Evolution and Trace-Preserving Completely Positive Maps

Summary

Until now, we have considered only quantum measurements among operations on quantum systems. In order to perform effective information processing with quantum systems, we should manipulate a wider class of state operations. This chapter examines what kinds of operations are allowed on quantum systems. The properties of these operations will also be examined.

Keywords

Quantum System Relative Entropy State Evolution Strong Subadditivity Quantum Mutual Information 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2006

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