IBSE
IBSE = [integer]
| Default: IBSE | = 0 |
Description: IBSE can be used to select the algorithm for solving the Bethe-Salpeter or Casida equation.
The following options are available to solve the Bethe-Salpeter or Casida equation:
- IBSE = 0: Exact diagonalization
- IBSE = 1: Time evolution