We thus turn to TDKS simulations using a CAP. Fig- The field is impulsive impulse (see Fig. ) and all simulations are propagated for 1,500 a.u. in time. These are the same spectra that were plotted in Fig. but placed sideby-side here, omitting the results obtained sans CAP. The CAP parameters are set to r 0 = 9.524 bohr (= 18.00 Å) and η = 4.0 Ha/bohr 2 .