= Supermembrane action
{title2=$S=-T_2\int\sqrt{-\det h}+qT_2\int Z^*\mathcal A_3$}
The first term uses the <induced worldvolume metric> from the <supervielbein>; the second is the <Wess-Zumino brane coupling> to the super-three-form. Its fermionic dependence is retained before bosonic truncation. The relative charge magnitude equals the <brane tension>, while $q=\pm1$ sets the orientation and matching <kappa symmetry projector> sign. In an on-shell eleven-dimensional supergravity superspace, this action has <kappa symmetry>.
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