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Quantum Information, 2 Volume Set, 2nd Edition
book

Quantum Information, 2 Volume Set, 2nd Edition

by Dagmar Bruss, Gerd Leuchs
June 2019
Intermediate to advanced content levelIntermediate to advanced
512 pages
33h 24m
English
Wiley-VCH
Content preview from Quantum Information, 2 Volume Set, 2nd Edition

5 Channels and Maps

M. Keyl1 and R. F. Werner2

1 TU München, Zentrum Mathematik, Bolzmannstraße 3, D‐85748 Garching, Germany

2 Institut für Theoretische Physik, Leibniz Universtität Hannover, Appelstraße 2, D‐30167 Hannover, Germany

5.1 Introduction

Consider a typical quantum system such as a string of ions in a trap. To “process” the quantum information they carry, we have to perform, in general, many different processing steps such as free time evolution (including unwanted but unavoidable interactions with the environment), controlled time evolution (e.g., the application of a “quantum gate” in a quantum computer), preparations and measurements. This lecture aims at providing a unified framework for describing all these different ...

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Publisher Resources

ISBN: 9783527413539Purchase book