The Qubit Phase

Get familiarized with the concept of the qubit phase.

Introduction

Do you remember our introductory example of the quantum coin? Coins have two states, heads or tails. In the air, our quantum coin is in a state of superposition of both states.

Let’s have a closer look at this coin. It continuously flips between heads and tails. Once the coin lands, this rotation determines whether we see heads or tails.

Look even closer. This coin also spins along its edge.

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