jaunatisblue
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34 lines
1014 B
Python
34 lines
1014 B
Python
"""Example custom case for tools/run_tn_custom.py."""
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from __future__ import annotations
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import math
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import numpy as np
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from qibo import Circuit, gates
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def build_circuit(nqubits, nlayers, seed):
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rng = np.random.default_rng(seed)
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circuit = Circuit(nqubits)
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for layer in range(nlayers):
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for qubit in range(nqubits):
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circuit.add(gates.RY(qubit, theta=rng.uniform(-math.pi, math.pi)))
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circuit.add(gates.RZ(qubit, theta=rng.uniform(-math.pi, math.pi)))
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for qubit in range(layer % 2, nqubits - 1, 2):
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circuit.add(gates.RXX(qubit, qubit + 1, theta=rng.uniform(-0.7, 0.7)))
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circuit.add(gates.RZZ(qubit, qubit + 1, theta=rng.uniform(-0.7, 0.7)))
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return circuit
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def build_observable(nqubits, seed):
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return {
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"terms": [
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{
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"coefficient": 1.0 / max(1, nqubits - 1),
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"operators": [("Z", site), ("Z", site + 1)],
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}
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for site in range(nqubits - 1)
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]
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}
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