151 citations · 422 across the 7 of their papers we have counts for
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cond-mat.mes-hall2008★ 67 cited
Linear density response function within the time-dependent exact-exchange approximation
Maria Hellgren, Ulf von Barth
We have calculated the frequency-dependent exact exchange (EXX) kernel of time-dependent (TD) density functional theory employing our recently proposed computational method based o…
cond-mat.mes-hall2005★ 20 cited
Introduction to the Keldysh formalism and applications to time-dependent density-functional theory
Robert van Leeuwen, Nils Erik Dahlen, Gianluca Stefanucci +2
This paper gives an introduction to the Keldysh formalism, with emphasis on its usefulness in time-dependent density functional theory. In the first part we introduce the Keldysh c…