Evaluation of Net Power Polywell fusion designs by Joel Rogers. The simulation is not showing closing the cusps (corners of the fields), which means more energy loss. This is a critical aspect of a workable design. The cusps have to close or have very low losses for scaling to work. It is unknown if these are actual issues being faced by EMC2 fusion.
(H/T to Munchausen at Talkpolywell)
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