mirror of https://github.com/Qiskit/qiskit-aer.git
72 lines
2.1 KiB
Python
72 lines
2.1 KiB
Python
# This code is part of Qiskit.
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#
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# (C) Copyright IBM 2018, 2019.
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#
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# This code is licensed under the Apache License, Version 2.0. You may
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# obtain a copy of this license in the LICENSE.txt file in the root directory
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# of this source tree or at http://www.apache.org/licenses/LICENSE-2.0.
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#
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# Any modifications or derivative works of this code must retain this
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# copyright notice, and modified files need to carry a notice indicating
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# that they have been altered from the originals.
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"""
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AerSimulator kraus error NoiseModel integration tests
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"""
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from test.terra.utils.utils import list2dict
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from qiskit import QuantumRegister, ClassicalRegister, QuantumCircuit
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from qiskit_aer.noise import NoiseModel
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from qiskit_aer.noise.errors.standard_errors import amplitude_damping_error
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# ==========================================================================
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# Amplitude damping error
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# ==========================================================================
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def kraus_gate_error_circuits():
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"""Kraus gate error noise model circuits"""
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circuits = []
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# Repeated amplitude damping to diagonal state
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qr = QuantumRegister(1, "qr")
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cr = ClassicalRegister(1, "cr")
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circuit = QuantumCircuit(qr, cr)
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circuit.x(qr) # prepare + state
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for _ in range(30):
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# Add noisy identities
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circuit.barrier(qr)
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circuit.id(qr)
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circuit.barrier(qr)
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circuit.measure(qr, cr)
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circuits.append(circuit)
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return circuits
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def kraus_gate_error_noise_models():
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"""Kraus gate error noise models"""
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noise_models = []
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# Amplitude damping error on "id"
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error = amplitude_damping_error(0.75, 0.25)
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noise_model = NoiseModel()
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noise_model.add_all_qubit_quantum_error(error, "id")
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noise_models.append(noise_model)
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return noise_models
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def kraus_gate_error_counts(shots, hex_counts=True):
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"""Kraus gate error circuits reference counts"""
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counts_lists = []
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# 100% all-qubit Pauli error on "id" gates
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counts = [3 * shots / 4, shots / 4, 0, 0]
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counts_lists.append(counts)
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# Convert to counts dict
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return [list2dict(i, hex_counts) for i in counts_lists]
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