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Add RebaseTket to DFSC #104

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Add RebaseTket to DFSC #104

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1 change: 1 addition & 0 deletions qermit/clifford_noise_characterisation/dfsc.py
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Original file line number Diff line number Diff line change
Expand Up @@ -75,6 +75,7 @@ def preparation_circuit_for_partition(
# transform string, then append gates for preparing
# +1 eigenstate to circuit
# use RemoveRedundancies after to minimise gates required in cosntruction
Transform.RebaseToTket().apply(clifford_circuit)
Transform.RebaseToCliffordSingles().apply(clifford_circuit)
for string in partition:
transformed_string = apply_clifford_basis_change(string, clifford_circuit)
Expand Down
30 changes: 29 additions & 1 deletion tests/dfsc_test.py
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Original file line number Diff line number Diff line change
Expand Up @@ -14,10 +14,11 @@


from pytket import Circuit, Qubit
from pytket.circuit import fresh_symbol # type: ignore
from pytket.circuit import fresh_symbol, PauliExpBox # type: ignore
from pytket.transform import Transform # type: ignore

from qermit import ( # type: ignore
AnsatzCircuit,
SymbolsDict,
ObservableTracker,
MeasurementCircuit,
Expand Down Expand Up @@ -309,6 +310,32 @@ def test_DFSC_mitex_gen():
assert res[0][qps_12] == -1.0
assert res[1][qps_012] == 0.7

def test_CRY_case():
backend=AerBackend()
dfsc_mitex = gen_DFSC_MitEx(backend=backend)
sym = fresh_symbol("test")
peb_xyz = PauliExpBox([Pauli.X, Pauli.Y, Pauli.Z], sym)

c = Circuit(3, 3)
c.add_pauliexpbox(peb_xyz, [Qubit(0), Qubit(1), Qubit(2)]).CRy(sym, 0,1).Z(1).Z(2)
c.add_pauliexpbox(peb_xyz, [Qubit(0), Qubit(1), Qubit(2)]).Z(0).Z(1).Z(2)
c.add_pauliexpbox(peb_xyz, [Qubit(0), Qubit(1), Qubit(2)]).Z(0).Z(1).Z(2)
c.add_pauliexpbox(peb_xyz, [Qubit(0), Qubit(1), Qubit(2)])
Transform.DecomposeBoxes().apply(c)

symbols = SymbolsDict.symbols_from_dict({sym: 0.25})

qubit_pauli_string = QubitPauliString(
[Qubit(0), Qubit(1), Qubit(2)], [Pauli.Z, Pauli.Z, Pauli.Z]
)
ansatz_circuit = AnsatzCircuit(c, 2000, symbols)

exp = [
ObservableExperiment(
ansatz_circuit, ObservableTracker(QubitPauliOperator({qubit_pauli_string: 1.0}))
)
]
assert dfsc_mitex.run(exp)

if __name__ == "__main__":
test_get_clifford_mcs()
Expand All @@ -318,3 +345,4 @@ def test_DFSC_mitex_gen():
test_DFSC_characterisation_task_gen()
test_DFSC_correction_task_gen()
test_DFSC_mitex_gen()
test_CRY_case()