= Worldsheet gravitino
{title2=$\chi_\mu$}
The <worldsheet gravitino> is the fermionic vector-spinor <gauge field> for local <worldsheet supersymmetry>, paired with the <worldsheet metric> in two-dimensional <supergravity>. In a locally supersymmetric string action it couples to the worldsheet supercurrent. Fixing its gauge and the bosonic <conformal gauge> leaves the usual flat rigid transformations on embeddings and <worldsheet Majorana fermions>; it should not be silently omitted when claiming an arbitrary curved-worldsheet locally <supersymmetric action>.
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