Ion dynamics and coherent structure formation following laser pulse self-channeling (Articolo in rivista)

Type
Label
  • Ion dynamics and coherent structure formation following laser pulse self-channeling (Articolo in rivista) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Alternative label
  • Macchi, A; Bigongiari, A; Ceccherini, F; Cornolti, F; Liseikina, TV; Borghesi, M; Kar, S; Romagnani, L (2007)
    Ion dynamics and coherent structure formation following laser pulse self-channeling
    in Plasma physics and controlled fusion (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Macchi, A; Bigongiari, A; Ceccherini, F; Cornolti, F; Liseikina, TV; Borghesi, M; Kar, S; Romagnani, L (literal)
Pagina inizio
  • B71 (literal)
Pagina fine
  • B78 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 49 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • CNR, INFM, polyLab, Pisa, Italy; Univ Pisa, Dipartimento Fis Enrico Fermi, I-56127 Pisa, Italy; Queens Univ Belfast, Sch Math & Phys, Belfast BT7 1NN, Antrim, North Ireland (literal)
Titolo
  • Ion dynamics and coherent structure formation following laser pulse self-channeling (literal)
Abstract
  • The propagation of a superintense laser pulse in an underdense, inhomogeneous plasma has been studied numerically by two-dimensional particle-in-cell simulations on a time scale extending up to several picoseconds. The effects of the ion dynamics following the charge-displacement self-channeling of the laser pulse have been addressed. Radial ion acceleration leads to the 'breaking' of the plasma channel walls, causing an inversion of the radial space-charge field and the filamentation of the laser pulse. At later times a number of long-lived, quasiperiodic field structures are observed and their dynamics is characterized with high resolution. Inside the plasma channel, a pattern of electric and magnetic fields resembling both soliton- and vortex-like structures is observed. (literal)
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