Spectral broadening of lower hybrid waves produced by parametric instability in current drive experiments of tokamak plasmas

@inproceedings{Cesrio2006SpectralBO,
  title={Spectral broadening of lower hybrid waves produced by parametric instability in current drive experiments of tokamak plasmas},
  author={Rute Ces{\'a}rio and Alessandro Cardinali and Carmine Castaldo and Francesco Paoletti and Wojciech R. Fundamenski and S Hacquin},
  year={2006}
}
In order to explain the results of the non-inductive current produced in the lower hybrid current drive (LHCD) experiments, a broadening of the radiofrequency (RF) power spectrum coupled to tokamak plasma needs to occur. The presented modelling, supported by diagnostic measurements, shows that the parametric instability (PI) driven by ion sound quasimodes, which occur in the scrape-off plasma layer located near the antenna mouth, produces a significant broadening of the launched LH spectrum… CONTINUE READING

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