Código fuente para qiskit_nature.second_q.hamiltonians.lattices.line_lattice

# This code is part of a Qiskit project.
# (C) Copyright IBM 2021, 2023.
# This code is licensed under the Apache License, Version 2.0. You may
# obtain a copy of this license in the LICENSE.txt file in the root directory
# of this source tree or at http://www.apache.org/licenses/LICENSE-2.0.
# Any modifications or derivative works of this code must retain this
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"""The line lattice"""
from .boundary_condition import BoundaryCondition
from .hyper_cubic_lattice import HyperCubicLattice

[documentos]class LineLattice(HyperCubicLattice): """Line lattice.""" def __init__( self, num_nodes: int, edge_parameter: complex = 1.0, onsite_parameter: complex = 0.0, boundary_condition: BoundaryCondition = BoundaryCondition.OPEN, ) -> None: """ Args: num_nodes: The number of sites. edge_parameter: Weight on the edges. Defaults to 1.0. onsite_parameter: Weight on the self-loops, which are edges connecting a node to itself. Defaults to 0.0. boundary_condition: Boundary condition. The available boundary conditions are: ``BoundaryCondition.OPEN``, ``BoundaryCondition.PERIODIC``. Defaults to ``BoundaryCondition.OPEN``. """ self._num_nodes = num_nodes super().__init__( size=(num_nodes,), edge_parameter=edge_parameter, onsite_parameter=onsite_parameter, boundary_condition=boundary_condition, ) @property def num_nodes(self) -> int: """Number of nodes Returns: The number of nodes for the line lattice """ return self._num_nodes