The Limitations of Imperfect Quantum Cloning

Brian N. Siegelwax
2 min readOct 7, 2020

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Is 4-sigma good enough?

This article is a brief follow up to my article titled, “Quantum Imperfect Cloning.” Under the “Future Work” section, I proposed ways to improve the fidelity of the results.

Introduction

Although quantum mechanics forbids the precise cloning of unknown quantum states, it allows the…

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