39 lines
1.3 KiB
Plaintext
39 lines
1.3 KiB
Plaintext
---
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title: RealEvolver
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description: API reference for qiskit.algorithms.RealEvolver
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in_page_toc_min_heading_level: 1
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python_api_type: class
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python_api_name: qiskit.algorithms.RealEvolver
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---
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# RealEvolver
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<Class id="qiskit.algorithms.RealEvolver" isDedicatedPage={true} github="https://github.com/qiskit/qiskit/tree/stable/0.21/qiskit/algorithms/evolvers/real_evolver.py" signature="RealEvolver" modifiers="class">
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Bases: `abc.ABC`
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Interface for Quantum Real Time Evolution.
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## Methods
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### evolve
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<Function id="qiskit.algorithms.RealEvolver.evolve" signature="RealEvolver.evolve(evolution_problem)" modifiers="abstract">
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Perform real time evolution $\exp(-i t H)|\Psi\rangle$.
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Evolves an initial state $|\Psi\rangle$ for a time $t$ under a Hamiltonian $H$, as provided in the `evolution_problem`.
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**Parameters**
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**evolution\_problem** ([`EvolutionProblem`](qiskit.algorithms.EvolutionProblem "qiskit.algorithms.evolvers.evolution_problem.EvolutionProblem")) – The definition of the evolution problem.
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**Return type**
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[`EvolutionResult`](qiskit.algorithms.EvolutionResult "qiskit.algorithms.evolvers.evolution_result.EvolutionResult")
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**Returns**
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Evolution result which includes an evolved quantum state.
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</Function>
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</Class>
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