Citation: S. Bivona et al., Ponderomotive threshold shift and phase control in multiphoton detachment of negative ions, J PHYS B, 33(16), 2000, pp. L591-L598
Citation: S. Bivona et al., Symmetries in harmonic generation by a two-color field: an application to a simple model atom, J OPT SOC B, 16(6), 1999, pp. 986-993