Negative quantum channels [electronic resource] : an introduction to quantum maps that are not completely positive

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Tác giả: James M McCracken

Ngôn ngữ: eng

ISBN-13: 978-1627051842

Ký hiệu phân loại: 004.1 General works on specific types of computers

Thông tin xuất bản: [San Rafael, California] : Morgan & Claypool Publishers, 2014.

Mô tả vật lý: electronic text.

Bộ sưu tập: Công nghệ thông tin

ID: 282126

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.
Includes bibliographical references.
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