Monthly Archives: September 2020

Introduction to quantum computing with Q# – Part 7, Quantum state teleportation

In the previous part of the series we discussed how quantum theory prohibits copying of an arbitrary quantum state. In computing terms, this means that regardless of the richness of features provided by high-level quantum-specific languages such as Q#, we cannot implement a classical functionality of copy-and-paste on a quantum computer.

It turns out, however, that we can achieve a cut-and-paste type of effect, through a remarkable process of quantum teleportation.

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