Journal
PHYSICS LETTERS A
Volume 372, Issue 16, Pages 2881-2886Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physleta.2007.12.046
Keywords
time dependent density functional theory; quantum hydrodynamical approach; collective oscillations in metal clusters
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In this Letter we present a hydrodynamical approach within the realm of time dependent density functional theory which is based on the particle and the current densities to calculate the excited state energies of many-electron systems. The applicability of the approach is demonstrated by calculating the collective oscillation frequencies of sodium clusters of various sizes within the spherical jellium background model. (C) 2008 Elsevier B.V. All rights reserved.
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