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sabato 3 dicembre 2016

# s-phys: how a plasmoid instability could behave

<< The paper describes how the plasmoid instability begins in a slow linear phase that goes through a period of quiescence before accelerating into an explosive phase that triggers a dramatic increase in the speed of magnetic reconnection. >>

<< Plasmoid instability, which breaks up plasma current sheets into small magnetic islands called plasmoids, has generated considerable interest in recent years as a possible mechanism for fast reconnection. >>

<<  At issue is how magnetic reconnection, a universal process that sets off solar flares, northern lights and cosmic gamma-ray bursts, occurs so much faster than theory says should be possible. >>

John Greenwald. Researchers propose an explanation for the mysterious onset of a universal process. Nov. 22, 2016

http://m.phys.org/news/2016-11-explanation-mysterious-onset-universal.html

Comisso L., Lingam M., et al. General theory of the plasmoid instability. Phys. Plasmas 23, 100702 (2016);

http://dx.doi.org/10.1063/1.4964481

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