The optimized configuration and calculated photoabsorption spectra of Li4 cluster.
Time evolution of the applied laser pulse, dipoles along three axes, emitted electrons, and absorbed energy of Li4 cluster under femtosecond laser irradiation. The left panel stems from a laser off resonance case (ℏω = 2.65 eV) while the right panel from a laser on resonance case (ℏω = 1.66 eV). The laser intensity is fixed at 1 × 1012 W/cm2.
Snapshots of the real-space electron density distribution of Li4 cluster in the y-z plane at different time for the on resonance case (ℏω = 1.66 eV).
The number of emitted electrons and absorbed energy at t = 80 fs after laser termination as functions of laser frequency at various intensities.
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