cirq.SQRT_ISWAP_INV

The inverse square root of iswap gate.

cirq.SQRT_ISWAP_INV(
    *qubits, **kwargs
)

The unitary matrix of this gate is:

$$\begin{bmatrix} 1 & 0 & 0 & 0 \\ 0 & \frac{1}{\sqrt{2} } & -\frac{i}{\sqrt{2} } & 0 \\ 0 & -\frac{i}{\sqrt{2} } & \frac{1}{\sqrt{2} } & 0 \\ 0 & 0 & 0 & 1 \end{bmatrix}$$