- class qiskit.algorithms.ImaginaryEvolver#
Deprecated: Interface for Quantum Imaginary Time Evolution.
The ImaginaryEvolver interface has been superseded by the
qiskit.algorithms.time_evolvers.ImaginaryTimeEvolverinterface. This interface will be deprecated in a future release and subsequently removed after that.
Deprecated since version 0.24.0: The class
qiskit.algorithms.evolvers.imaginary_evolver.ImaginaryEvolveris deprecated as of qiskit-terra 0.24.0. It will be removed no earlier than 3 months after the release date. Instead, use the interface
qiskit.algorithms.time_evolvers.ImaginaryTimeEvolver. See https://qisk.it/algo_migration for a migration guide.
- 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