@article{10902/34893,
year = {2024},
month = {6},
url = {https://hdl.handle.net/10902/34893},
abstract = {Measurements of fluctuating floating potentials and ion saturation currents at different radial locations in the Santander Linear Plasma Machine [Castellanos et al., Plasma Phys. Control. Fusion 47, 2067 (2005)] and at the edge of the W7-AS stellarator by means of radially movable Langmuir probes allow to infer the corresponding fluctuation-induced radial flux temporal series. Avalanche-like transport events are identified in the time series and statistically characterized in terms of avalanche size/duration/quiet-time distributions and size-duration scaling relations. Transport is diffusive in the inner and intermediate radial
region of the SLPM r < rtr ≈ 2.6 cm, undergoing a transition at rtr, becoming non-diffusive in the outermost region of the device, r > rtr. The results obtained at the edge of the W7-AS stellarator are similar to those found in SLPM for r > rtr, i.e., consistent with what would be expected for scale-free, self-similar plasma transport dynamics near a critical state.},
organization = {This research has been sponsored by Spanish Ministerio de Ciencia e Innovación, Projects No. PID2019-110734RB-I00 and No. PID2022-137869OB-I00},
publisher = {Institute of Physics Publishing Ltd.},
publisher = {Plasma Physics and Controlled Fusion, 2024, 66(6), 065015},
title = {Avalanche statistics of fluctuation-induced fluxes from the SLPM and the W7-AS stellarator},
author = {Mier Maza, José Ángel and Blanco, J. and Sánchez, R. and Castellanos, O.F. and Newman D.E. and Anabitarte Cano, Ernesto and López Martín, Juan Manuel},
}