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Optimal energy growth in current sheets

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If you have a question about this talk, please contact Robert Teed.

I will present work on the potential for transient growth in the linear perturbation of current sheets. The non-normal character of resistive MHD allows for transient growth that is excluded in the standard normal-mode analysis. If transient effects can sufficiently change the rate of energy growth at the onset of the tearing instability, a much faster evolution may be possible. This result could have important consequences for flares and the onset of eruptive solar phenomena, such as coronal mass ejections.

This talk is part of the DAMTP Astrophysics Seminars series.

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