openfermion.linalg.singlet_erpa

Generate the singlet ERPA equations

Main aliases

openfermion.linalg.singlet_erpa(
    tpdm: numpy.ndarray, h_ijkl: numpy.ndarray
) -> Tuple[numpy.ndarray, numpy.ndarray, Dict]

[ea + eb, [H, sa, sb]] = [ea, [H, sa]]

The erpa equations are solved with scipy.linalg.eig which calls lapack's geev

Args
`tpdm`	2-RDM tensor normal OpenFermion format
`h_ijkl`	reduced Hamiltonian tensor

Returns
Tuple of the erpa system.

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Last updated 2024-04-26 UTC.

Args