A note on diagonal gates in SZX-calculus

17 Dec 2020  ·  Titouan Carette ·

This note describes how the the scalable ZXH calculus can be used to represent in a compact way the quantum gates that are diagonal in the computational basis. This includes controlled and multi-controlled Z gates, their generalizations, respectively graph and hypergraph operators, and also phase gadgets...

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Quantum Physics