gftool.matrix.UDecomposition.from_hamiltonian¶
-
classmethod
UDecomposition.
from_hamiltonian
(hamilton)¶ Decompose the Hamiltonian matrix.
The similarity transformation:
\[H = U h U^†, \quad h = diag(λ_l)\]- Parameters
- hamilton(…, N, N) complex np.ndarray
Hermitian matrix to be decomposed
- Returns
- Decomposition