cirq.SWAP

The swap gate.

Used in the notebooks

Used in the tutorials

This gate will swap two qubits (in any basis).

The unitary matrix of this gate is:

\[ \begin{bmatrix} 1 & 0 & 0 & 0 \\ & 0 & 1 & 0 \\ & 1 & 0 & 0 \\ 0 & 0 & 0 & 1 \end{bmatrix} \]