Type IIB supergravity
= Type IIB supergravity
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= IIB supergravity
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Type IIB supergravity is the chiral ten-dimensional maximal <supergravity> with metric, <Kalb–Ramond field>, <dilaton>, Ramond-Ramond zero-form, two-form and four-form potentials, and a self-dual five-form field strength. Two same-chirality Majorana-Weyl <gravitini> and two opposite-to-gravitino-chirality Majorana-Weyl <dilatini> complete its $128+128$ massless spectrum.