Abstract
A full close-coupling calculation is carried out for the dissociation of H2+ (1s g) by strong, short laser pulses. This is done in the approximation of `no rotation' and with the retention of only the two lowest electronic states. The basis set consists of the bound vibrational states and a number of groups of dissociating states that represent all the `essential' continuum states needed to achieve full numerical convergence for the dissociation probabilities. The initial states v = 4 and 7 were studied with laser wavelengths giving strong initial coupling to the continuum, pulse durations of 15 and 150 fs, and peak laser intensities up to 1 × 1013 W cm-2. The case of weak initial coupling to the continuum was also studied for 150 fs pulses and a wide range of intensities for the initial states v = 3, 4 and 5.
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