openfermion.linalg.expectation_db_operator_with_pw_basis_state

Compute expectation value of a dual basis operator with a plane wave computational basis state.

openfermion.linalg.expectation_db_operator_with_pw_basis_state(
    operator, plane_wave_occ_orbitals, n_spatial_orbitals, grid, spinless
)

operator Dual-basis representation of FermionOperator to evaluate expectation value of. Can have at most 3-body terms.
plane_wave_occ_orbitals list

list of occupied plane-wave orbitals.

n_spatial_orbitals int

Number of spatial orbitals.

grid openfermion.utils.Grid

The grid used for discretization.

spinless bool

Whether the system is spinless.

A real float giving the expectation value.