Negative Quantum Channels - Synthesis Lectures on Quantum Computing - James M. McCracken - Böcker - Springer International Publishing AG - 9783031013898 - 11 juli 2014
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James M. McCracken
Negative Quantum Channels - Synthesis Lectures on Quantum Computing

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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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Media Böcker     Pocketbok   (Bok med mjukt omslag och limmad rygg)
Releasedatum 11 juli 2014
ISBN13 9783031013898
Utgivare Springer International Publishing AG
Antal sidor 171
Mått 191 × 235 × 10 mm   ·   363 g
Språk Engelska  

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