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Evaluate sum{a,b,c,d}h{a, b, d, c}
openfermion.linalg.erpa_eom_hamiltonian(
h_ijkl: numpy.ndarray,
tpdm: numpy.ndarray,
p: int,
q: int,
r: int,
s: int
) -> Union[float, complex]
Args | |
---|---|
h_ijkl
|
two-body integral tensors of full reduced Hamiltonian |
tpdm
|
two-RDM |
p
|
left creation op index |
q
|
left annihilation op index |
r
|
right creation op index |
s
|
right annihilation op index |
Returns | |
---|---|
float or complex number |