openfermion.linalg.expectation_two_body_db_operator_computational_basis_state

Compute expectation value of a 2-body dual-basis operator with a plane wave computational basis state.

Main aliases

openfermion.linalg.expectation_two_body_db_operator_computational_basis_state(
    dual_basis_action, plane_wave_occ_orbitals, grid, spinless
)

Args
`dual_basis_action`	Dual-basis action of FermionOperator to evaluate expectation value of.
`plane_wave_occ_orbitals`	`list` list of occupied plane-wave orbitals.
`grid`	`openfermion.utils.Grid` The grid used for discretization.
`spinless`	`bool` Whether the system is spinless.

Returns
A float giving the expectation value.

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Last updated 2025-06-06 UTC.

Args