4.4 Article

Wave turbulence observed in an auto-oscillating complex (dusty) plasma

Journal

EPL
Volume 110, Issue 3, Pages -

Publisher

IOP PUBLISHING LTD
DOI: 10.1209/0295-5075/110/35001

Keywords

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Funding

  1. Marie Curie International Outgoing Fellowship within the 7th European Community Framework Programme
  2. European Research Council under the European Union's Seventh Framework Programme (FP7)/ERC [267499]
  3. DLR/BMWi [FKZs 50WM 0203, 50WM 1203]
  4. Russian Science Foundation [14-43-00053] Funding Source: Russian Science Foundation

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We study a complex plasma under microgravity conditions that is auto-oscillating due to a heartbeat instability and contains quasi-solitary wave ridges -oscillons. We demonstrate that this system can serve as a nearly ideal model system to mimic weak Kolmogorov-Zakharovtype wave turbulence. The slopes of the structure functions agree reasonably well with power laws assuming extended self-similarity. The energy spectrum displays multiple cascades, which we attribute to the influence of friction, the heartbeat instability and a modulational instability. Copyright (C) EPLA, 2015

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