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GeezerVison is showing github.com — Python-3/quantum/quantum_entanglement.py at master · https-github-com-nzysoft/Python-3 Expand file tree/ Copy pathquantum_entanglement.pyMore file actions 58 lines (45 loc) · 1.9 KB / Copy pathquantum_entanglement.pyFile metadata and controls58 lines (45 loc) · 1.9 KB 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 #!/usr/bin/env python3 """ Build a quantum circuit with pair or group of qubits to perform quantum entanglement. Quantum entanglement is a phenomenon observed at the quantum scale where entangled particles stay connected (in some sense) so that the actions performed on one of the particles affects the other, no matter the distance between two particles. """ import qiskit def quantum_entanglement(qubits: int = 2) -> qiskit.result.counts.Counts: """ # >>> quantum_entanglement(2) # {'00': 500, '11': 500} # ┌───┐ ┌─┐ # q_0: ┤ H ├──■──┤M├─── # └───┘┌─┴─┐└╥┘┌─┐ # q_1: ─────┤ X ├─╫─┤M├ # └───┘ ║ └╥┘ # c: 2/═══════════╩══╩═ # 0 1 Args: qubits (int): number of quibits to use. Defaults to 2 Returns: qiskit.result.counts.Counts: mapping of states to its counts """ classical_bits = qubits # Using Aer's simulator simulator = qiskit.Aer.get_backend("aer_simulator") # Creating a Quantum Circuit acting on the q register circuit = qiskit.QuantumCircuit(qubits, classical_bits) # Adding a H gate on qubit 0 (now q0 in superposition) circuit.h(0) for i in range(1, qubits): # Adding CX (CNOT) gate circuit.cx(i - 1, i) # Mapping the quantum measurement to the classical bits circuit.measure(list(range(qubits)), list(range(classical_bits))) # Now measuring any one qubit would affect other qubits to collapse # their super position and have same state as the measured one. # Executing the circuit on the simulator job = qiskit.execute(circuit, simulator, shots=1000) return job.result().get_counts(circuit) if __name__ == "__main__": print(f"Total count for various states are: {quantum_entanglement(3)}") |
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