Return the e-e potential operator in the plane wave basis.
openfermion.hamiltonians.plane_wave_potential(
grid: openfermion.utils.Grid
,
spinless: bool = False,
e_cutoff: float = None,
non_periodic: bool = False,
period_cutoff: Optional[float] = None
) -> openfermion.ops.FermionOperator
Args |
grid (Grid): The discretization to use.
spinless (bool): Whether to use the spinless model or not.
e_cutoff (float): Energy cutoff.
non_periodic (bool): If the system is non-periodic, default to False.
period_cutoff (float): Period cutoff, default to
grid.volume_scale() ** (1. / grid.dimensions).
|
Returns |
operator (FermionOperator)
|