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Negative Quantum Channels - Synthesis Lectures on Quantum Computing James M. McCracken
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Negative Quantum Channels - Synthesis Lectures on Quantum Computing
James M. McCracken
This book is a brief introduction to negative quantum channels, i.e., linear, trace-preserving (and consistent) quantum maps that are not completely positive. The flat and sharp operators are introduced and explained. Complete positivity is presented as a mathematical property, but it is argued that complete positivity is not a physical requirement of all quantum operations. Negativity, a measure of the lack of complete positivity, is proposed as a tool for empirically testing complete positivity assumptions.
Table of Contents: Preface / Acknowledgments / Introduction and Definition of Terms / Tomography / Non-Positive Reduced Dynamics / Complete Positivity / Physical Motivation of Complete Positivity / Measures of Complete Positivity / Negative Channels / Negative Climates with Diagonal Composite Dynamics / Rabi Channels / Physical Motivations for Sharp Operations / Negative Qubit Channel Examples with Multi-Qubit Baths / Proposed Experimental Demonstration of Negativity / Implications of Negative Channels / Uses for Negative Channels / Conclusions / Bibliography / Author's Biography
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| Medien | Bücher Taschenbuch (Buch mit Softcover und geklebtem Rücken) |
| Erscheinungsdatum | 11. Juli 2014 |
| ISBN13 | 9783031013898 |
| Verlag | Springer International Publishing AG |
| Seitenanzahl | 171 |
| Maße | 191 × 235 × 10 mm · 363 g |
| Sprache | Englisch |
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