Angular distributions of electrons emitted from free and deposited Na$_8$ clusters

Details Angular distributions of electrons emitted from free and deposited Na$_8$ clusters Angular distributions of electrons emitted from free and deposited Na$_8$ clusters

2010-01-05

arxiv.org/abs/1001.0686v1

Physics

Condensed Matter

Other Condensed Matter

accepted in Physica Status Solidi (2009)

Scientific paper

We explore from a theoretical perspective angular distributions of electrons emitted from a Na$_8$ cluster after excitation by a short laser pulse. The tool of the study is time-dependent density-functional theory (TDDFT) at the level of the local-density approximation (LDA) augmented by a self-interaction correction (SIC) to put emission properties in order. We consider free Na$_8$ and Na$_8$ deposited on the surfaces MgO(001) or Ar(001). For the case of free Na$_8$, we distinguish between a hypothetical situation of known cluster orientation and a more realistic ensemble of orientations. We also consider the angular distributions for emission from separate single-electron levels.

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