Source code for mimiqcircuits.operations.gates.standard.iswap

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import mimiqcircuits.operations.gates.gate as mcg
from mimiqcircuits.operations.gates.standard.cpauli import GateCX
from mimiqcircuits.operations.gates.standard.hadamard import GateH
from mimiqcircuits.operations.gates.standard.s import GateS
from symengine import Matrix, I


[docs] class GateISWAP(mcg.Gate): r""" Two qubit ISWAP gate. See Also :func:`GateISWAPDG` and :func:`GateSWAP` **Matrix representation:** .. math:: \operatorname{ISWAP} = \begin{pmatrix} 1 & 0 & 0 & 0 \\ 0 & 0 & i & 0 \\ 0 & i & 0 & 0 \\ 0 & 0 & 0 & 1 \end{pmatrix} Examples: >>> from mimiqcircuits import * >>> GateISWAP() ISWAP >>> GateISWAP().matrix() [1.0, 0, 0, 0] [0, 0, 0.0 + 1.0*I, 0] [0, 0.0 + 1.0*I, 0, 0] [0, 0, 0, 1.0] <BLANKLINE> >>> c = Circuit().push(GateISWAP(), 0, 1) >>> GateISWAP().power(2), GateISWAP().inverse() (ISWAP**2, ISWAP†) >>> GateISWAP().decompose() 2-qubit circuit with 6 instructions: ├── S @ q[0] ├── S @ q[1] ├── H @ q[0] ├── CX @ q[0], q[1] ├── CX @ q[1], q[0] └── H @ q[1] <BLANKLINE> """ _name = "ISWAP" _num_qubits = 2 _qregsizes = [2] def _matrix(self): return Matrix([[1, 0, 0, 0], [0, 0, I, 0], [0, I, 0, 0], [0, 0, 0, 1]]) def _decompose(self, circ, qubits, bits, zvars): c, t = qubits circ.push(GateS(), c) circ.push(GateS(), t) circ.push(GateH(), c) circ.push(GateCX(), c, t) circ.push(GateCX(), t, c) circ.push(GateH(), t) return circ