The isotopic effect on nuclear dynamics in Coulomb explosion for various initial vibrational states of H_(2)^(+) and HD+in intense laser(80 fs,800 nm,I=6.8×10^(13)W/cm^(2)) is theoretically investigated by numeri...The isotopic effect on nuclear dynamics in Coulomb explosion for various initial vibrational states of H_(2)^(+) and HD+in intense laser(80 fs,800 nm,I=6.8×10^(13)W/cm^(2)) is theoretically investigated by numerically solving the time-dependent Schrodinger equation.The calculated results confirm that the effect we discussed by paying close attention to the comparative analysis of peak locations in the nuclear kinetic-energy-release spectra largely depends on the selection of the initial vibrational states.Furthermore,it is the special isotope effect case about the vibrational state v=5 that has been studied in depth.We also discuss the time-dependent spectrum atυ=7,which can reveal the difference in nuclear wavepacket motion between H_(2)^(+) and HD+in the time region in which charge-resonance enhanced ionization takes place.展开更多
Ionization channels of the molecular ion H^(+)_(2) for various initial vibrational states in intense laser field(80 fs,800 nm,I=6.8×10^(13) W/cm^(2))are theoretically investigated by numerically solving the time-...Ionization channels of the molecular ion H^(+)_(2) for various initial vibrational states in intense laser field(80 fs,800 nm,I=6.8×10^(13) W/cm^(2))are theoretically investigated by numerically solving the time-dependent Schrödinger equation.The results confirm that the channels largely depend on the selection of initial vibrational states by analyzing the variations of peak locations in the nuclear initial kinetic-energy-release spectra.Furthermore,the selection of the ionization channels is sensitive to the wavelength of the laser pulse.In addition,time-dependent competition between direct multi-photon ionization and charge-resonance-enhanced ionization are is discussed.展开更多
基金Supported by the Special Funds of the National Natural Science Foundation of China(No 11047191)Key Project of the Ministry of Education of China(No 211025)+1 种基金Research Fund for the Doctoral Program of Higher Education of China(No 20111404120004)the Natural Science Foundation for Young Scientists of Shanxi Province(No 2009021005).
文摘The isotopic effect on nuclear dynamics in Coulomb explosion for various initial vibrational states of H_(2)^(+) and HD+in intense laser(80 fs,800 nm,I=6.8×10^(13)W/cm^(2)) is theoretically investigated by numerically solving the time-dependent Schrodinger equation.The calculated results confirm that the effect we discussed by paying close attention to the comparative analysis of peak locations in the nuclear kinetic-energy-release spectra largely depends on the selection of the initial vibrational states.Furthermore,it is the special isotope effect case about the vibrational state v=5 that has been studied in depth.We also discuss the time-dependent spectrum atυ=7,which can reveal the difference in nuclear wavepacket motion between H_(2)^(+) and HD+in the time region in which charge-resonance enhanced ionization takes place.
基金Supported by the Special Funds of the National Natural Science Foundation of China under Grant No 11047191the Key Project of the Ministry of Education of China under Grant No 211025+1 种基金the Research Fund for the Doctoral Program of Higher Education of China(No 20111404120004)the Natural Science Foundation for Young Scientists of Shanxi Province(No 2009021005).
文摘Ionization channels of the molecular ion H^(+)_(2) for various initial vibrational states in intense laser field(80 fs,800 nm,I=6.8×10^(13) W/cm^(2))are theoretically investigated by numerically solving the time-dependent Schrödinger equation.The results confirm that the channels largely depend on the selection of initial vibrational states by analyzing the variations of peak locations in the nuclear initial kinetic-energy-release spectra.Furthermore,the selection of the ionization channels is sensitive to the wavelength of the laser pulse.In addition,time-dependent competition between direct multi-photon ionization and charge-resonance-enhanced ionization are is discussed.
