15 Quantum Teleportation
Natalia Korolkova
School of Physics and Astronomy, University of St. Andrews, North Haugh, St Andrews, KY16 9SS, UK
15.1 Introduction
Below, we show how Alice can divide the full information encoded in the unknown quantum state 
into two parts, one purely classical and the other purely nonclassical, and send them to Bob through two different channels. Having received these two transmissions, Bob can construct an accurate replica of 
. Of course, Alice's original
is destroyed in the process, as it must be ...
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