Correlated electronic decay following intense near-infrared ionization of clusters

Schütte, Bernd; Arbeiter, Mathias; Fennel, Thomas; Jabbari, Ghazal; Kuleff, Alexander I.; Vrakking, Marc J. J.; Rouzée, Arnaud

doi:10.1088/1742-6596/635/1/012025

Cited by 2 publications

(2 citation statements)

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“…Finally, slow electrons and ions partly recombine in the course of the expansion. Highly excited neutral and ionic species formed during this phase can decay by correlated electronic decay processes, as recently observed [18][19][20][21].…”

Section: Introductionmentioning

confidence: 65%

“…As the nanoplasma heats and charges up, it starts expanding and electrons evaporate out of the collective Coulomb potential of the cluster core. This leads to a thermal distribution of free electrons characterized by an essentially exponential energy dependence [15][16][17][18][19]. Finally, slow electrons and ions partly recombine in the course of the expansion.…”

Section: Introductionmentioning

confidence: 99%

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Single-shot electron imaging of dopant-induced nanoplasmas

Medina,

Schomas,

Rendler

et al. 2021

Preprint

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Section: Introductionmentioning

confidence: 65%

Section: Introductionmentioning

confidence: 99%

Single-shot electron imaging of dopant-induced nanoplasmas

Medina,

Schomas,

Rendler

et al. 2021

Preprint

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Single-shot electron imaging of dopant-induced nanoplasmas

et al. 2021

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We present single-shot electron velocity-map images of nanoplasmas generated from doped helium nanodroplets and neon clusters by intense near-infrared and mid-infrared laser pulses. We report a large variety of signal types, most crucially depending on the cluster size. The common feature is a two-component distribution for each single-cluster event: a bright inner part with nearly circular shape corresponding to electron energies up to a few eV, surrounded by an extended background of more energetic electrons. The total counts and energy of the electrons in the inner part are strongly correlated and follow a simple power-law dependence. Deviations from the circular shape of the inner electrons observed for neon clusters and large helium nanodroplets indicate non-spherical shapes of the neutral clusters. The dependence of the measured electron energies on the extraction voltage of the spectrometer indicates that the evolution of the nanoplasma is significantly affected by the presence of an external electric field. This conjecture is confirmed by molecular dynamics simulations, which reproduce the salient features of the experimental electron spectra.

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Correlated electronic decay following intense near-infrared ionization of clusters

Cited by 2 publications

References 31 publications

Single-shot electron imaging of dopant-induced nanoplasmas

Single-shot electron imaging of dopant-induced nanoplasmas

Single-shot electron imaging of dopant-induced nanoplasmas

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