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Abstract: We propose an analytic approach to the problem of collisionless magneticreconnection formulated as a process of Alfven eigenmodes- generation anddissipation. Alfven eigenmodes are confined by the current sheet in the sameway that quantum mechanical waves are confined by the tanh^2 potential. Thedynamical time scale of reconnection is the system scale divided by theeigenvalue propagation velocity of the n=1 mode. The prediction of the n=1 modeshows good agreement with the in situ measurement of thereconnection-associated Hall fields.



Author: Lei Dai

Source: https://arxiv.org/



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