Two-electron quantum ring in short pulses |
Variation of transition probability with time in a two-electron QR: (a) square pulse, (b) sine-pulse, and (c) secant hyperbalic pulse. The various physical parameters used are: E s = 80 kV/cm, I = 8 × 1012 W/cm2, R = 100 a.u., and t p = 50 fs. |