Blg

where Et is the thermal energy of the particles, k±(E)= Ko(E/Et)2 is the space diffusion coefficient of a rapid particles with energy E in the field of the plasma turbulence, and E* = VT

ZeEKo

Taking into account that the three-dimensional distribution of the electric and magnetic fields in the turbulent current sheet will influence the power-law slope so that it can increase up to y ~ 3. This means that fine cluster structure of a turbulent current sheet may provide a partial basis for understanding the threshold behavior of flare energy release, with its universal statistical properties, and also give a natural explanation for another fundamental property of the flare process - the universal power-law spectrum of the accelerated particles, with approximately the same slope over a wide class of flare objects. According to Pustil'nik (1997), for more progress in the percolation approach to flare

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