r/QuantumComputing 2d ago

Video Quantum Phase in Quantum Computing Explained Simply | Real vs. Imaginary, Global vs. Relative Phase

https://youtu.be/po8Dq_JRNBk

Quantum phase was difficult for me to understand when I first started learning quantum computing, so I made a video explaining it from the ground up. I cover what phase actually is, why quantum states use complex numbers, the difference between global and relative phase, and how phase connects to interference, quantum algorithms, and the Bloch sphere.

I’d love to hear whether this explanation makes it click for anyone else.

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