Self-organized-criticality model consistent with statistical properties of edge turbulence in a fusion plasma.
The statistical properties of the intermittent signal generated by a recent model for self-organized criticality are examined. A successful comparison is made with previously published results of the equivalent quantities measured in the electrostatic turbulence at the edge of a fusion plasma. This result reestablishes self-organized criticality as a potential paradigm for transport in magnetic fusion devices, overriding shortcomings pointed out in earlier works [E. Spada, Phys. Rev. Lett. 86, 3032 (2001)10.1103/PhysRevLett.86.3032; V. Antoni, Phys. Rev. Lett. 87, 045001 (2001)10.1103/PhysRevLett.87.045001].
Sattin
Fabio
F
Consorzio RFX, ENEA-Euratom Association, Corso Stati Uniti 4, 35127 Padova, Italy. fabio.sattin@igi.cnr.it
Baiesi
Marco
M