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DCXGate

class DCXGate[ソース]

ベースクラス: Gate

Double-CNOT gate.

A 2-qubit Clifford gate consisting of two back-to-back CNOTs with alternate controls.

Can be applied to a QuantumCircuit with the dcx() method.

          ┌───┐
q_0: ──■──┤ X ├
     ┌─┴─┐└─┬─┘
q_1: ┤ X ├──■──
     └───┘

This is a classical logic gate, equivalent to a CNOT-SWAP (CNS) sequence, and locally equivalent to an iSWAP.

\[\begin{split}DCX\ q_0, q_1 = \begin{pmatrix} 1 & 0 & 0 & 0 \\ 0 & 0 & 0 & 1 \\ 0 & 1 & 0 & 0 \\ 0 & 0 & 1 & 0 \end{pmatrix}\end{split}\]

Create new DCX gate.

Attributes

condition_bits

Get Clbits in condition.

戻り値の型

List[Clbit]

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

戻り値の型

str

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.