gftool.beb.SpecDec.from_hamiltonian
- classmethod SpecDec.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