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netket.graph.Triangular

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netket.graph.Triangular#

class netket.graph.Triangular[source]#

Bases:

Constructs a triangular lattice of a given spatial extent. Periodic boundary conditions can also be imposed Sites are returned at the Bravais lattice points.

Parameters:

  • extent – Number of unit cells along each direction, needs to be an array of length 2

  • pbc (Union[bool, Sequence[bool]]) – If True, the lattice will have periodic boundary conditions (PBC); if False, the lattice will have open boundary conditions (OBC). This parameter can also be a list of booleans with same length as the parameter length, in which case each dimension will have PBC/OBC depending on the corresponding entry of pbc.

  • kwargs – Additional keyword arguments are passed on to the constructor of netket.graph.Lattice.

Return type:

Lattice

Example

Construct a triangular lattice with 3 × 3 unit cells:

>>> from netket.graph import Triangular
>>> g = Triangular(extent=[3, 3])
>>> print(g.n_nodes)
9
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