Source code for qiskit.algorithms.time_evolvers.real_time_evolver

# This code is part of Qiskit.
# (C) Copyright IBM 2021, 2022.
# This code is licensed under the Apache License, Version 2.0. You may
# obtain a copy of this license in the LICENSE.txt file in the root directory
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"""Interface for Quantum Real Time Evolution."""

from abc import ABC, abstractmethod

from .time_evolution_problem import TimeEvolutionProblem
from .time_evolution_result import TimeEvolutionResult

[docs]class RealTimeEvolver(ABC): """Interface for Quantum Real Time Evolution."""
[docs] @abstractmethod def evolve(self, evolution_problem: TimeEvolutionProblem) -> TimeEvolutionResult: r"""Perform real time evolution :math:`\exp(-i t H)|\Psi\rangle`. Evolves an initial state :math:`|\Psi\rangle` for a time :math:`t` under a Hamiltonian :math:`H`, as provided in the ``evolution_problem``. Args: evolution_problem: The definition of the evolution problem. Returns: Evolution result which includes an evolved quantum state. """ raise NotImplementedError()