Global stability analysis of ITG modes in the presence of a field-aligned ion flow (Articolo in rivista)

Type
Label
  • Global stability analysis of ITG modes in the presence of a field-aligned ion flow (Articolo in rivista) (literal)
Anno
  • 2008-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1088/0741-3335/50/10/105008 (literal)
Alternative label
  • Varischetti M. C.; Lontano M.; Valdettaro L.; Lazzaro E. (2008)
    Global stability analysis of ITG modes in the presence of a field-aligned ion flow
    in Plasma physics and controlled fusion (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Varischetti M. C.; Lontano M.; Valdettaro L.; Lazzaro E. (literal)
Pagina inizio
  • 105008 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 50 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 10 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Istituto di Fisica del Plasma, CNR, Milano; Politecnico di Milano, Milano (literal)
Titolo
  • Global stability analysis of ITG modes in the presence of a field-aligned ion flow (literal)
Abstract
  • The linear stability analysis of the ITG modes in a plasma slab with an equilibrium ion flow has been carried out by solving the relevant eigenvalue equation for the complex electrostatic fluctuation amplitude ~?k, by retaining the electric, the diamagnetic and the gravitational-like drifts. For sufficiently broad Ti profiles, a novel regime with two-branch distributions of unstable eigenvalues has been found, which seems to be characterized by a broad radial correlation length. The plasma density profile and a macroscopic ion flow aligned to the magnetic field govern the relative importance of the two unstable sets of eigenfunctions. (literal)
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