Observation of Fast Current Redistribution in an Imploding Plasma Column

C. Stollberg, E. Kroupp, D. Mikitchuk, P. Sharma, V. Bernshtam, M. Cvejić, R. Doron, E. Stambulchik, Y. Maron, A. Fruchtman, I. E. Ochs, N. J. Fisch, U. Shumlak

Research output: Contribution to journalArticlepeer-review

2 Scopus citations


Spectroscopic measurements of the magnetic field evolution in a Z-pinch throughout stagnation and with particularly high spatial resolution reveal a sudden current redistribution from the stagnating plasma (SP) to a low-density plasma (LDP) at larger radii, while the SP continues to implode. Based on the plasma parameters it is shown that the current is transferred to an increasing-conductance LDP outside the stagnation, a process likely to be induced by the large impedance of the SP. Since an LDP often exists around imploding plasmas and in various pulsed-power systems, such a fast current redistribution may dramatically affect the behavior and achievable parameters in these systems.

Original languageEnglish (US)
Article number205101
JournalPhysical review letters
Issue number20
StatePublished - May 19 2023

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy


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