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Time histories of (a) injector current ( above the injector slot) (b) total toroidal current for simulations at , and .
Poincare plots soon after the flux closure for the two cases (a) with at t = 9.4 ms (b) with at t = 9.66 ms.
Profiles of (a) and terms (b) induced toroidal electric field, (c) radial flows around the injector region (z = −1.4) before and during X point formation. All the fields are total including vacuum and evolving fields.
(a) Elongated current sheet and (b) scaling of the current sheet layer with η during the X point formation. Diamonds and crosses obtained using a fit to a Harris type profile and half width of the vertically averaged profile, respectively.
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