SciPyRealEvolver

class qiskit.algorithms.SciPyRealEvolver(num_timesteps)

Bases: RealTimeEvolver

Classical Evolver for real time evolution.

Evolves an initial state $|\Psi\rangle$ for a time $t$ under a Hamiltonian $H$ , as provided in the evolution_problem. Note that the precision of the evolver does not depend on the number of timesteps taken.

Parameters

num_timesteps (int) – The number of timesteps in the simulation.

Raises

ValueError – If steps is not a positive integer.

Methods

evolve

evolve(evolution_problem)

Perform real time evolution $\exp(-i t H)|\Psi\rangle$ .

Evolves an initial state $|\Psi\rangle$ for a time $t$ under a Hamiltonian $H$ , as provided in the evolution_problem.

Parameters

evolution_problem (TimeEvolutionProblem) – The definition of the evolution problem.

Returns

Evolution result which includes an evolved quantum state.

Return type

TimeEvolutionResult

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