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pennylane_lightning_qubit_quantum_circuit_simulation.py

python

A basic example of a quantum circuit being simulated using the high-

15d ago18 linespennylane.ai
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pennylane_lightning_qubit_quantum_circuit_simulation.py
1import pennylane as pennylane
2import numpy as np
3
4# Define a PennyLane device using the lightning.qubit backend
5dev = pennylane.device("lightning.qubit", wires=2)
6
7@pennylane.qnode(dev)
8def circuit(theta):
9    pennylane.PauliX(wires=0)
10    pennylane.RY(theta, wires=1)
11    pennylane.CNOT(wires=[0, 1])
12    return pennylane.expval(pennylane.PauliZ(wires=1))
13
14# Execute the circuit
15theta = np.array(0.5)
16result = circuit(theta)
17
18print(f"Expectation value: {result}")