full_diag_effH¶
full name: tenpy.algorithms.dmrg.full_diag_effH
parent module:
tenpy.algorithms.dmrg
type: function
-
tenpy.algorithms.dmrg.
full_diag_effH
(effH, theta_guess, keep_sector=True)[source]¶ Perform an exact diagonalization of effH.
This function offers an alternative to
lanczos()
.- Parameters
- effH
EffectiveH
The effective Hamiltonian.
- theta_guess
Array
Current guess to select the charge sector. Labels as specified by
effH.acts_on
.
- effH