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Magnetic reconnection is a complex mechanism that converts magnetic energyinto particle kinetic energy and plasma thermal energy in space andastrophysical plasmas. In addition, magnetic reconnection and turbulence appearto be intimately related in plasmas. We analyze the magnetic-field turbulenceat the exhaust of four reconnection events detected in the solar wind using theJensen-Shannon complexity-entropy index. The interplanetary magnetic field isdecomposed into the LMN coordinates using the hybrid minimum variancetechnique. The first event is characterized by an extended exhaust period thatallows us to obtain the scaling exponents of higher-order structure functionsof magnetic-field fluctuations. By computing the complexity-entropy index wedemonstrate that a higher degree of intermittency is related to lower entropyand higher complexity in the inertial subrange. We also compute thecomplexity-entropy index of three other reconnection exhaust events. For allfour events, the $B_L$ component of the magnetic field displays a lower degreeof entropy and higher degree of complexity than the $B_M$ and $B_N$ components.Our results show that coherent structures can be responsible for decreasingentropy and increasing complexity within reconnection exhausts inmagnetic-field turbulence.

Complexity of magnetic-field turbulence at reconnection exhausts in the solar wind at 1 AU