Rx operation
Warning
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Please see https://aka.ms/qdk.api for the API documentation for the Modern QDK.
Namespace: Microsoft.Quantum.Intrinsic
Package: Microsoft.Quantum.Type2.Core
Applies a rotation about the $x$-axis by a given angle.
operation Rx (theta : Double, qubit : Qubit) : Unit is Adj + Ctl
Description
\begin{align} R_x(\theta) \mathrel{:=} e^{-i \theta \sigma_x / 2} = \begin{bmatrix} \cos \frac{\theta}{2} & -i\sin \frac{\theta}{2} \\ -i\sin \frac{\theta}{2} & \cos \frac{\theta}{2} \end{bmatrix}. \end{align}
Input
theta : Double
Angle in radians about which the qubit is to be rotated.
qubit : Qubit
Qubit to which the gate should be applied.
Output : Unit
Remarks
Equivalent to:
R(PauliX, theta, qubit);
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