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. 2015 Jun 16;5:10977. doi: 10.1038/srep10977

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Copyright © 2015, Macmillan Publishers Limited

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Time evolution of trapping potential within Ar₁₀₀₀ clusters irradiated with a 5 keV pulse at a peak fluence of 50 μJ/μm². Arrows indicate the radius R_c of the Ar system, calculated as , where r_i is the distance of Ar atoms from the center of the cluster, α = 5/3. Inset: volume integrated theoretical electron spectra for various times, . Smoothing was used at energies above 10 eV. The low energy plateau feature is formed during the pulse while the plasma emission peak develops during hundreds of femtoseconds after the pulse. The 10 fs FWHM Gaussian pulse is centered at t = 0 fs.

Inline graphic — Time evolution of trapping potential within Ar₁₀₀₀ clusters irradiated with a 5 keV pulse at a peak fluence of 50 μJ/μm². Arrows indicate the radius R_c of the Ar system, calculated as , where r_i is the distance of Ar atoms from the center of the cluster, α = 5/3. Inset: volume integrated theoretical electron spectra for various times, . Smoothing was used at energies above 10 eV. The low energy plateau feature is formed during the pulse while the plasma emission peak develops during hundreds of femtoseconds after the pulse. The 10 fs FWHM Gaussian pulse is centered at t = 0 fs.