openfermion.linalg.valdemoro_reconstruction
Build a 3-RDM by cumulant expansion and setting 3rd cumulant to zero
View aliases
Main aliases
openfermion.linalg.rdm_reconstruction.valdemoro_reconstruction, openfermion.valdemoro_reconstruction
openfermion.linalg.valdemoro_reconstruction(
tpdm, n_electrons
)
d3 approx = D ^ D ^ D + 3 (2C) ^ D
tpdm has normalization (n choose 2) where n is the number of electrons
Args |
|---|
tpdm
|
np.ndarray
four-tensor representing the two-RDM
|
n_electrons
|
int
number of electrons in the system
|
Returns |
|---|
|
six-tensor reprsenting the three-RDM
|
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Last updated 2025-06-06 UTC.
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