Quantum Information Theory - an Invitation
R. F. Werner
TL;DR
This paper provides an accessible introduction to Quantum Information Theory, covering its fundamental concepts, mathematical framework, and key protocols like teleportation and dense coding.
Contribution
It offers a non-technical overview and a unified mathematical description of quantum channel capacities and core quantum communication schemes.
Findings
Defines quantum channel capacities for classical and quantum info
Characterizes teleportation and dense coding schemes mathematically
Provides an accessible overview of quantum information concepts
Abstract
We give a non-technical introduction of the basic concepts of Quantum Information Theory along the distinction between possible and impossible machines. We then proceed to describe the mathematical framework of Quantum Information Theory. The capacities of a quantum channel for classical and for quantum information are defined in a unified scheme, and a mathematical characterization of all teleportation and dense coding schemes is given.
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Taxonomy
TopicsQuantum Mechanics and Applications · Quantum Computing Algorithms and Architecture · Quantum Information and Cryptography