89 citations · 416 across the 15 of their papers we have counts for
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cond-mat.stat-mech2007★ 28 cited
Invariance of the Kohn (sloshing) mode in a conserving theory
M. Bonitz, K. Balzer, R. van Leeuwen
It is proven that the center of mass (COM or Kohn) oscillation of a many-body system in a harmonic trap coincides with the motion of a single particle as long as conserving approxi…
cond-mat.stat-mech2005★ 89 cited
Conserving Approximations in Time-Dependent Density Functional Theory
Ulf von Barth, Nils Erik Dahlen, Robert van Leeuwen +1
In the present work we propose a theory for obtaining successively better approximations to the linear response functions of time-dependent density or current-density functional th…