openfermion.functionals.get_one_norm_int
Returns the 1-Norm of a RHF or ROHF Hamiltonian described in https://arxiv.org/abs/2103.14753 after a fermion-to-qubit transformation given nuclear constant, one-body (2D np.array) and two-body (4D np.array) integrals in spatial orbital basis.
openfermion.functionals.get_one_norm_int(
constant: float,
one_body_integrals: np.ndarray,
two_body_integrals: np.ndarray
)
Parameters
constant(float) : Nuclear repulsion or adjustment to constant shift in
Hamiltonian from integrating out core orbitals.
one_body_integrals(ndarray) : An array of the one-electron integrals having
shape of (n_orb, n_orb), where n_orb is the number of spatial orbitals.
two_body_integrals(ndarray) : An array of the two-electron integrals having
shape of (n_orb, n_orb, n_orb, n_orb).
Returns
one_norm : 1-Norm of the qubit Hamiltonian
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Last updated 2024-04-26 UTC.
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