Two bricks x-pinch driver notes

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Minimum operating current

• There is a minimum operating current due to need to work in the magnetic self-isolating regime [L. E. Aranchuk, A. S. Chuvatin, and J. Larour, Rev. Sci. Instrum. 75, 69 (2004)]

• For our geometry (6 mm gam, 2.5" anode and 2" cathode) and taking min voltage 50 kV, the minimum operating current will be

[math] I = 0.64 \sqrt(V) \ (\ln(R_a/R_c) ) [/math] = 22 kA