Computation of Mutual Entropy in Quantum Amplifier Processes

Shigeru Furuichi, Masanori Ohya and Hiroki Suyari ()
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Shigeru Furuichi: Science University of Tokyo, Department of Information Sciences
Masanori Ohya: Science University of Tokyo, Department of Information Sciences
Hiroki Suyari: Science University of Tokyo, Department of Information Sciences

A chapter in Quantum Communication, Computing, and Measurement, 1997, pp 147-155 from Springer

Abstract: Abstract The mathematical concept “lifting” which stems from “compound state” and “transition expectation” could have been applied to optical communication processes and quantum Markov chains. In the latest study of lifting for the optical communication processes it was succesful to rigorously derive the error probability and SNR for quantum amplifier processes.

Keywords: Hilbert Space; Coherent State; Error Probability; Quantum Channel; Quantum Information Theory (search for similar items in EconPapers)
Date: 1997
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DOI: 10.1007/978-1-4615-5923-8_16

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