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x-gate [June 15, 2026 at 15:23] Ivan Janevskix-gate [June 15, 2026 at 15:23] (current) Ivan Janevski
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-# $X$ gate (Quantum NOT)+# $X$ gate (NOT gate)
 **X gate** (or **Pauli-X gate**, or **quantum NOT gate**) is a single-qubit gate that flips $\lvert 0\rangle$ to $\lvert 1\rangle$ and $\lvert 1\rangle$ to $\lvert 0\rangle$, making it the quantum analog of a classical NOT gate. It is one of the three [[pauli-gates|Pauli gates]]. **X gate** (or **Pauli-X gate**, or **quantum NOT gate**) is a single-qubit gate that flips $\lvert 0\rangle$ to $\lvert 1\rangle$ and $\lvert 1\rangle$ to $\lvert 0\rangle$, making it the quantum analog of a classical NOT gate. It is one of the three [[pauli-gates|Pauli gates]].
  
x-gate.1781536992.txt.gz · Last modified: by Ivan Janevski