39 lines
1.4 KiB
Plaintext
39 lines
1.4 KiB
Plaintext
---
|
||
title: ImaginaryTimeEvolver
|
||
description: API reference for qiskit.algorithms.ImaginaryTimeEvolver
|
||
in_page_toc_min_heading_level: 1
|
||
python_api_type: class
|
||
python_api_name: qiskit.algorithms.ImaginaryTimeEvolver
|
||
---
|
||
|
||
# ImaginaryTimeEvolver
|
||
|
||
<Class id="qiskit.algorithms.ImaginaryTimeEvolver" isDedicatedPage={true} github="https://github.com/qiskit/qiskit/tree/stable/0.23/qiskit/algorithms/time_evolvers/imaginary_time_evolver.py" signature="ImaginaryTimeEvolver" modifiers="class">
|
||
Bases: `abc.ABC`
|
||
|
||
Interface for Quantum Imaginary Time Evolution.
|
||
|
||
## Methods
|
||
|
||
### evolve
|
||
|
||
<Function id="qiskit.algorithms.ImaginaryTimeEvolver.evolve" signature="ImaginaryTimeEvolver.evolve(evolution_problem)" modifiers="abstract">
|
||
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`](qiskit.algorithms.TimeEvolutionProblem "qiskit.algorithms.time_evolvers.time_evolution_problem.TimeEvolutionProblem")) – The definition of the evolution problem.
|
||
|
||
**Return type**
|
||
|
||
[`TimeEvolutionResult`](qiskit.algorithms.TimeEvolutionResult "qiskit.algorithms.time_evolvers.time_evolution_result.TimeEvolutionResult")
|
||
|
||
**Returns**
|
||
|
||
Evolution result which includes an evolved quantum state.
|
||
</Function>
|
||
</Class>
|
||
|