ImaginaryTimeEvolver

class qiskit.algorithms.ImaginaryTimeEvolver

Bases: ABC

Interface for Quantum Imaginary Time Evolution.

Methods

abstract evolve(evolution_problem)

Perform imaginary time evolution $\exp(-\tau H)|\Psi\rangle$ .

Evolves an initial state $|\Psi\rangle$ for an imaginary time $\tau$ 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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