quantum gate directory
Idenity Gate
Symbol
$I$
Description:
The identity gate $I_n$, acting on $n$-qubits, leaves the qubits unchanged.
| Notation(s) | $I$, $\mathbb{1}$, $1$ |
| Matrix | $\begin{bmatrix}1 & 0 \\ 0 & 1 \end{bmatrix}$ |
| Arity | n |
| Group | $\mathsf{U}(2^n)$ |
Groups
This gate is contained in the following groups:
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