Suzuki
class Suzuki(reps=1, order=2)
Suzuki Trotter expansion, composing the evolution circuits of each Operator in the sum together by a recursive “bookends” strategy, repeating the whole composed circuit reps times.
Detailed in https://arxiv.org/pdf/quant-ph/0508139.pdf.
Parameters
- reps (
int) – The number of times to repeat the expansion circuit. - order (
int) – The order of the expansion to perform.
Attributes
order
Type: int
returns order
Return type
int
reps
Type: int
The number of repetitions to use in the Trotterization, improving the approximation accuracy.
Return type
int
Methods
convert
Suzuki.convert(operator)
Convert a SummedOp into a ComposedOp or CircuitOp representing an approximation of e^-i*``op_sum``.
Parameters
operator (OperatorBase) – The SummedOp to evolve.
Return type
Returns
The Operator approximating op_sum’s evolution.
Raises
TypeError – A non-SummedOps Operator is passed into convert.
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