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Electron rescattering at metal nanotips induced by ultrashort laser pulses

Authors
  • Wachter, Georg
  • Lemell, Christoph
  • Burgdoerfer, Joachim
Type
Published Article
Publication Date
Aug 06, 2013
Submission Date
Aug 06, 2013
Identifiers
DOI: 10.1088/1742-6596/488/1/012005
Source
arXiv
License
Yellow
External links

Abstract

We theoretically investigate the interaction of moderate intensity near-infrared few cycle laser pulses with nano-scale metal tips. Local field enhancement in a nanometric region around the tip apex triggers coherent electron emission on the nanometer length and femtosecond time scale. The quantum dynamics at the surface are simulated with time-dependent density functional theory (TDDFT) and interpreted based on the simple man's model. We investigate the dependence of the emitted electron spectra on the laser wavelength.

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