SXGate¶
- class SXGate(label=None)[source]¶
Bases:
Gate
The single-qubit Sqrt(X) gate (\(\sqrt{X}\)).
Can be applied to a
QuantumCircuit
with thesx()
method.Matrix Representation:
\[\begin{split}\sqrt{X} = \frac{1}{2} \begin{pmatrix} 1 + i & 1 - i \\ 1 - i & 1 + i \end{pmatrix}\end{split}\]Circuit symbol:
┌────┐ q_0: ┤ √X ├ └────┘
নোট
A global phase difference exists between the definitions of \(RX(\pi/2)\) and \(\sqrt{X}\).
\[\begin{split}RX(\pi/2) = \frac{1}{\sqrt{2}} \begin{pmatrix} 1 & -i \\ -i & 1 \end{pmatrix} = e^{-i \pi/4} \sqrt{X}\end{split}\]Create new SX gate.
Methods Defined Here
Return a (multi-)controlled-SX gate.
Return inverse SX gate (i.e.
Attributes
- condition_bits¶
Get Clbits in condition.
- decompositions¶
Get the decompositions of the instruction from the SessionEquivalenceLibrary.
- definition¶
Return definition in terms of other basic gates.
- duration¶
Get the duration.
- label¶
Return instruction label
- name¶
Return the name.
- num_clbits¶
Return the number of clbits.
- num_qubits¶
Return the number of qubits.
- params¶
return instruction params.
- unit¶
Get the time unit of duration.