Commuting Pauli Exponentiation

The CommutingPauliExponentiation function produces the exponent of a commuting pauli strings.

Syntax

Function: CommutingPauliExponentiation

Parameters:

• pauli_operator: PauliOperator
  • pauli_list: List[Tuple[str, complex]]
• evolution_coefficient: Union[float, Parameter]

Example

Textual ModelSDK

{
    "function_library": {
        "functions": [
            {
                "name": "main",
                "logic_flow": [
                    {
                        "function": "CommutingPauliExponentiation",
                        "function_params": {
                            "pauli_operator": {
                                "pauli_list": [
                                    ["IYX", 0.5],
                                    ["ZIX", 0.7],
                                    ["ZII", 0.3]
                                ]
                            },
                            "evolution_coefficient": "x"
                        }
                    }
                ]
            }
        ]
    }
}

from classiq.applications.chemistry import PauliOperator
from classiq.builtin_functions import (
    CommutingPauliExponentiation,
)

from classiq import Model

pauli_list = [("IYX", 0.5), ("ZIX", 0.7), ("ZII", 0.3)]
exponentiation = CommutingPauliExponentiation(
    pauli_operator=PauliOperator(pauli_list=pauli_list), evolution_coefficient="x"
)
model = Model()
model.CommutingPauliExponentiation(params=exponentiation)
model.synthesize()