Higher-derivative supergravity in U(1) superspace
Regis Le Du
Abstract
The complete structure of curvature squared terms is analyzed in the context of chirally extended supergravity, with special emphasis on the gravitationally induced Fayet-Iliopoulos D--term. Coupling of (chiral) matter is discussed in relation with a possible extension to U(1) supergravity of the equivalence mechanism between +2 and General Relativity coupled to a scalar.
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