We investigate Autler-Townes splitting in the photoelectron spectra of K2 molecule driven by pump-probe pulses via employing the time-dependent wave packet approach. It is found that the magnitude of Aulter-Townes spl...We investigate Autler-Townes splitting in the photoelectron spectra of K2 molecule driven by pump-probe pulses via employing the time-dependent wave packet approach. It is found that the magnitude of Aulter-Townes splitting varies with the wavelength of the intense laser pulse. In particular, the phenomenon of Aulter-Townes splitting vanishes for the far-off resonance of the pump pulse. Also, the split peaks of Autler Townes in the case of resonant pump pulse give us an approach to directly obtaining the transition dipole moment of a molecule.展开更多
We investigate the chaotic dynamics of normal mode molecules from the classical point of view using the coupling Morse oscillators.New interesting phenomena of the fractured tori and the cross of tori on the poincar&#...We investigate the chaotic dynamics of normal mode molecules from the classical point of view using the coupling Morse oscillators.New interesting phenomena of the fractured tori and the cross of tori on the poincaré section,which go against our traditional understanding,are found and investigated.Also,we find that the phenomenon of tori cross is a siggature of the single bond's energy beyond the total vibrational energy.Finally,a method to improve this scarcity is proposed.展开更多
The multiphoton rotation-vibration energy absorption of diatomic molecules in infrared laser fields is analytically studied using the algebraic approach.The analytical expression of the rotation-vibration transition p...The multiphoton rotation-vibration energy absorption of diatomic molecules in infrared laser fields is analytically studied using the algebraic approach.The analytical expression of the rotation-vibration transition probability is given.The long-time average absorbed energy spectra and the average number of photons absorbed by the molecule are discussed.The results show that both molecular orientation and molecular anharmonicity are important factors in the rotation-vibration multiphoton absorption.展开更多
基金supported by the National Natural Science Foundation of China (Grant Nos.91021009 and 10874102)the Research Fund for the Doctoral Program of Higher Education,China (Grant No.200804220004)
文摘We investigate Autler-Townes splitting in the photoelectron spectra of K2 molecule driven by pump-probe pulses via employing the time-dependent wave packet approach. It is found that the magnitude of Aulter-Townes splitting varies with the wavelength of the intense laser pulse. In particular, the phenomenon of Aulter-Townes splitting vanishes for the far-off resonance of the pump pulse. Also, the split peaks of Autler Townes in the case of resonant pump pulse give us an approach to directly obtaining the transition dipole moment of a molecule.
基金Supported by the National Natural Science Foundation of China under Grant Nos 91021009 and 10874102.
文摘We investigate the chaotic dynamics of normal mode molecules from the classical point of view using the coupling Morse oscillators.New interesting phenomena of the fractured tori and the cross of tori on the poincaré section,which go against our traditional understanding,are found and investigated.Also,we find that the phenomenon of tori cross is a siggature of the single bond's energy beyond the total vibrational energy.Finally,a method to improve this scarcity is proposed.
基金by the National Natural Science Foundation of China under Grant Nos 10874102 and 10947103the Foundation for Outstanding Young Scientist in Shandong Province(No 2008BS01017).
文摘The multiphoton rotation-vibration energy absorption of diatomic molecules in infrared laser fields is analytically studied using the algebraic approach.The analytical expression of the rotation-vibration transition probability is given.The long-time average absorbed energy spectra and the average number of photons absorbed by the molecule are discussed.The results show that both molecular orientation and molecular anharmonicity are important factors in the rotation-vibration multiphoton absorption.
