mindquantum.algorithm.nisq.chem.qubit_hamiltonian 源代码

# Copyright 2021 Huawei Technologies Co., Ltd
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# Licensed under the Apache License, Version 2.0 (the "License");
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# http://www.apache.org/licenses/LICENSE-2.0
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"""Get qubit hamiltonian."""

from mindquantum.core.operators import FermionOperator, InteractionOperator

from .transform import Transform


[文档]def get_qubit_hamiltonian(mol): r""" Get the qubit hamiltonian of a molecular data. Args: mol (MolecularData): molecular data. Returns: QubitOperator, qubit operator of this molecular. """ m_ham = mol.get_molecular_hamiltonian() int_ham = InteractionOperator(*(m_ham.n_body_tensors.values())) f_ham = FermionOperator(int_ham).compress() return Transform(f_ham).jordan_wigner()