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cond-mat.mtrl-sci2003
Bound excitons in time-dependent density-functional-theory: optical and energy-loss spectra
A. Marini, R. Del Sole, A. Rubio
A robust and efficient frequency dependent and non-local exchange-correlation is derived by imposing time-dependent density-functional theory (TDDFT) to reproduce…
cond-mat.mtrl-sci2003
Dynamical excitonic effects in metals and semiconductors
Andrea Marini, Rodolfo Del Sole
The dynamics of an electron--hole pair induced by the time--dependent screened Coulomb interaction is discussed. In contrast to the case where the static electron--hole interaction…