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Add more 1q and 2q Pauli rotation equivalences #7407

Merged
merged 15 commits into from
Jun 20, 2023
Merged

Add more 1q and 2q Pauli rotation equivalences #7407

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60254ef
added rx to equevalence library
artemiyburov Dec 9, 2021
cf26a2b
fixed sign in ry_to_rx
tyrolize Dec 10, 2021
e59f807
Merge branch 'Qiskit:main' into main
tyrolize Dec 10, 2021
c600096
added rzz to rxx
artemiyburov Dec 13, 2021
6e7ff90
Merge branch 'Qiskit:main' into issue7332
tyrolize Dec 13, 2021
4a78348
Merge branch 'main' into issue7332
tyrolize Feb 5, 2022
7a63c01
gate correction
tyrolize Feb 5, 2022
763b89e
added ryyrzz, rxxrzz, rzzryy translations, fixed ryrx translation to …
tyrolize Feb 6, 2022
a023083
Merge branch 'issue7332' of https://github.com/tyrolize/qiskit-terra …
tyrolize Feb 6, 2022
9403575
fixed errors
tyrolize Feb 6, 2022
180686d
Merge branch 'main' into issue7332
Cryoris Jun 13, 2022
0357113
Merge branch 'main' into issue7332
Cryoris Feb 20, 2023
09d340f
Merge remote-tracking branch 'ibm/main' into issue7332
jakelishman Jun 20, 2023
6431dd7
Add Ryy to Rxx equivalence
jakelishman Jun 20, 2023
e3bb143
Add release note
jakelishman Jun 20, 2023
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27 changes: 27 additions & 0 deletions qiskit/circuit/library/standard_gates/equivalence_library.py
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Original file line number Diff line number Diff line change
Expand Up @@ -244,6 +244,13 @@
def_ry.append(RGate(theta, pi / 2), [q[0]], [])
_sel.add_equivalence(RYGate(theta), def_ry)

q = QuantumRegister(1, "q")
ry_to_rx = QuantumCircuit(q)
ry_to_rx.s(0)
ry_to_rx.rx(-theta, 0)
ry_to_rx.sdg(0)
_sel.add_equivalence(RZGate(theta), ry_to_rx)
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# CRYGate

q = QuantumRegister(2, "q")
Expand Down Expand Up @@ -290,6 +297,13 @@
rz_to_sxry.sxdg(0)
_sel.add_equivalence(RZGate(theta), rz_to_sxry)

q = QuantumRegister(1, "q")
rz_to_rx = QuantumCircuit(q)
rz_to_rx.h(0)
rz_to_rx.rx(theta, 0)
rz_to_rx.h(0)
_sel.add_equivalence(RZGate(theta), rz_to_rx)

# CRZGate

q = QuantumRegister(2, "q")
Expand Down Expand Up @@ -317,6 +331,19 @@
def_rzz.append(inst, qargs, cargs)
_sel.add_equivalence(RZZGate(theta), def_rzz)

q = QuantumRegister(2, "q")
theta = Parameter("theta")
rzz_to_rxx = QuantumCircuit(q)
for inst, qargs, cargs in [
(HGate(), [q[0]], []),
(HGate(), [q[1]], []),
(RXXGate(theta), [q[0], q[1]], []),
(HGate(), [q[0]], []),
(HGate(), [q[1]], []),
]:
rzz_to_rxx.append(inst, qargs, cargs)
_sel.add_equivalence(RZZGate(theta), rzz_to_rxx)

# RZXGate

q = QuantumRegister(2, "q")
Expand Down