NONLINEAR ELECTRON DYNAMICS IN METAL CLUSTERS

摘要: Abstract Recent experimental developments give more and access to cluster excitations beyond the regime of linear response. Most theoretical descriptions induced nonlinear electron dynamics are based on time-dependent local density approximation (TDLDA) related schemes. We review present status TDLDA calculations for metal clusters, considering formal aspects theory, recipes its numerical implementation as well a variety applications. These applications presented by first summarizing basic spectral properties systems under study then introducing two mechanisms strong excitations: collision with highly charged fast ions, irradiation femtosecond laser pulses. results observables that relevant experiments, including ionization, energy balance, second-harmonic generation, emission spectra and, last but not least, we discuss effects ionic motion during electronic dynamics. On side, also semiclassical approaches extensions TDLDA, such self-interaction corrections influence electron–electron collisions.