Quellcode fΓΌr qiskit.circuit.library.templates.rzx.rzx_cy
# This code is part of Qiskit.
#
# (C) Copyright IBM 2021.
#
# This code is licensed under the Apache License, Version 2.0. You may
# obtain a copy of this license in the LICENSE.txt file in the root directory
# of this source tree or at http://www.apache.org/licenses/LICENSE-2.0.
#
# Any modifications or derivative works of this code must retain this
# copyright notice, and modified files need to carry a notice indicating
# that they have been altered from the originals.
"""
RZX based template for CX - RYGate - CX
.. parsed-literal::
ββββββββββββ
q_0: βββ ββββββββββββββ ββββββββββββββββββββββββββββββββββ€0 ββββββββββββ
βββ΄ββββββββββββββ΄ββββββββββββββββββββββββββββββββββ RZX(-Ο΄) ββββββββββββ
q_1: β€ X ββ€ RY(Ο΄) ββ€ X ββ€ RY(-Ο΄) ββ€ RZ(-Ο/2) ββ€ RX(Ο΄) ββ€1 ββ€ RZ(Ο/2) β
βββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
"""
from __future__ import annotations
import numpy as np
from qiskit.circuit import Parameter, QuantumCircuit
from qiskit.circuit.parameterexpression import ParameterValueType
[Doku]def rzx_cy(theta: ParameterValueType | None = None):
"""Template for CX - RYGate - CX."""
if theta is None:
theta = Parameter("Ο΄")
circ = QuantumCircuit(2)
circ.cx(0, 1)
circ.ry(theta, 1)
circ.cx(0, 1)
circ.ry(-1 * theta, 1)
circ.rz(-np.pi / 2, 1)
circ.rx(theta, 1)
circ.rzx(-1 * theta, 0, 1)
circ.rz(np.pi / 2, 1)
return circ