• Corpus ID: 55096970

The life-cycle of drift-wave turbulence driven by small scale instability

@article{Connaughton2010TheLO,
  title={The life-cycle of drift-wave turbulence driven by small scale instability},
  author={Colm Connaughton and Sergey V Nazarenko and Brenda Quinn},
  journal={arXiv: Chaotic Dynamics},
  year={2010}
}
We demonstrate theoretically and numerically the zonal-flow/drift-wave feedback mechanism for the LH transition in an idealised model of plasma turbulence driven by a small scale instability. Zonal flows are generated by a secondary modulational instability of the modes which are directly driven by the primary instability. The zonal flows then suppress the small scales thereby arresting the energy injection into the system, a process which can be described using nonlocal wave turbulence theory… 

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