The Coulomb potential recapture effect in above-barrier ionization with ultrashort long-wavelength laser pulses is investigated theoretically by solving the one-dimensional time-dependent Schrodinger equation. We find...The Coulomb potential recapture effect in above-barrier ionization with ultrashort long-wavelength laser pulses is investigated theoretically by solving the one-dimensional time-dependent Schrodinger equation. We find that electrons can be recaptured with considerable possibility by the Coulomb potential near the end of the pulse though atoms are ionized almost completely within the first few half optical cycles. Therefore there is a high probability of the atom surviving after the pulse. We also check this process in the three-dimensional case and find that this kind of stabilization can still exist in three-dimensional atoms.展开更多
基金Supported by the National Natural Science Foundation of China under Grant Nos 60478031 and 10474008, the National Key Basic Research and Development Programme of China, and the ICF Research Fund under Grant No 2004AA84ts08.
文摘The Coulomb potential recapture effect in above-barrier ionization with ultrashort long-wavelength laser pulses is investigated theoretically by solving the one-dimensional time-dependent Schrodinger equation. We find that electrons can be recaptured with considerable possibility by the Coulomb potential near the end of the pulse though atoms are ionized almost completely within the first few half optical cycles. Therefore there is a high probability of the atom surviving after the pulse. We also check this process in the three-dimensional case and find that this kind of stabilization can still exist in three-dimensional atoms.
