Articles | Volume 24, issue 4
https://doi.org/10.5194/npg-24-673-2017
Special issue:
https://doi.org/10.5194/npg-24-673-2017
Research article
 | 
27 Oct 2017
Research article |  | 27 Oct 2017

Lifetime estimate for plasma turbulence

Yasuhito Narita and Zoltán Vörös

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Short summary
A method is proposed to determine the temporal decay rate of turbulent fluctuations, and is applied to four-point magnetic field data in interplanetary space. The measured decay, interpreted as the energy transfer rate in turbulence, is larger than the theoretical estimate from the fluid turbulence theory. The faster decay represents one of the differences in turbulent processes between fluid and plasma media.