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arXiv · hep-th/9608131

(4,4) superfield supergravity

Sergei V. Ketov·Christine Unkmeir·Sven-Olaf Moch
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Abstract

We present the N=4 superspace constraints for the two-dimensional (2d) off-shell (4,4) supergravity with the superfield strengths expressed in terms of a (4,4) twisted (scalar) multiplet TM-I, as well as the corresponding component results, in a form suitable for applications. The constraints are shown to be invariant under the N=4 super-Weyl transformations, whose N=4 superfield parameters form another twisted (scalar) multiplet TM-II. To solve the constraints, we propose the Ansatz which makes the N=4 superconformal flatness of the N=4 supergravity curved superspace manifest. The locally (4,4) supersymmetric TM-I matter couplings, with the potential terms resulting from spontaneous supersymmetry breaking, are constructed. We also find the full (4,4) superconformally invariant (improved) TM-II matter action. The latter can be extended to the (4,4) locally supersymmetric Liouville action which is suitable for describing (4,4) supersymmetric non-critical strings.

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Sergei V. Ketov, Christine Unkmeir, Sven-Olaf Moch. 1996-11-15. (4,4) superfield supergravity. https://doi.org/10.1088/0264-9381%2F14%2F2%2F006

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