def circuit(params):
"""Parametrized circuit."""
for layer in range(n):
qml.broadcast(qml.RX, pattern="single", wires=self.all_wires, parameters=params[layer])
for _layer in range(n):
qml.broadcast(qml.CNOT, pattern="double", wires=self.all_wires)
return [bu.expval(qml.PauliZ(w)) for w in self.all_wires]
def circuit(params1, params2):
"""Parametrized circuit with nearest-neighbour gates."""
for layer in range(n):
qml.broadcast(
qml.RX,
pattern="single",
wires=self.all_wires,
parameters=params1[layer],
)
qml.broadcast(
qml.CRY,
pattern="chain",
wires=self.all_wires,
parameters=params2[layer],
)
return bu.expval(qml.PauliZ(0))
def circuit():
"""Mutable IQP quantum circuit."""
for i in range(self.n_wires):
qml.Hadamard(i)
for i in range(n * self.n_wires):
wires = random_iqp_wires(self.n_wires)
if len(wires) == 1:
qml.PauliZ(wires=wires)
elif len(wires) == 2:
qml.CZ(wires=wires)
elif len(wires) == 3:
CCZ(wires)
for i in range(self.n_wires):
qml.Hadamard(i)
return bu.expval(qml.PauliZ(0))