Off-shell supergravity-matter couplings in three dimensions
Sergei M. Kuzenko, Ulf Lindstrom, Gabriele Tartaglino-Mazzucchelli

TL;DR
This paper develops the superspace geometry for N-extended conformal supergravity in three dimensions and constructs general off-shell supergravity-matter couplings for N=1,2,3,4.
Contribution
It introduces a comprehensive framework for off-shell supergravity-matter couplings in three-dimensional supersymmetric theories for multiple N-extensions.
Findings
Superspace geometry for N-extended conformal supergravity is formulated.
Off-shell supergravity-matter couplings are constructed for N=1,2,3,4.
Framework enables systematic study of 3D supergravity models.
Abstract
We develop the superspace geometry of N-extended conformal supergravity in three space-time dimensions. General off-shell supergravity-matter couplings are constructed in the cases N=1,2,3,4.
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