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Books > Science & Mathematics > Physics > Quantum physics (quantum mechanics)
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Negative Quantum Channels (Paperback)
Loot Price: R1,269
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Negative Quantum Channels (Paperback)
Series: Synthesis Lectures on Quantum Computing
Expected to ship within 10 - 15 working days
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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
General
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