Dopant induced ignition of helium nanodroplets in intense few-cycle laser pulses
arXiv:1107.4482 · doi:10.1103/PhysRevLett.107.173402
Abstract
We demonstrate ultrafast resonant energy absorption of rare-gas doped He nanodroplets from intense few-cycle (~10 fs) laser pulses. We find that less than 10 dopant atoms "ignite" the droplet to generate a non-spherical electronic nanoplasma resulting ultimately in complete ionization and disintegration of all atoms, although the pristine He droplet is transparent for the laser intensities applied. Our calculations at those intensities reveal that the minimal pulse length required for ignition is about 9 fs.
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- Proton ejection from molecular hydride clusters exposed to strong X-ray pulses
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- Long-lasting XUV activation of helium nanodroplets for avalanche ionization
- A compact design for velocity-map imaging energetic electrons and ions
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- Dynamics of photo-excited Cs atoms attached to helium nanodroplets