Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2004-02-18
Eur.Phys.J.C39:S41-S52,2005
Physics
High Energy Physics
High Energy Physics - Theory
26 p., LaTeX. v3: extended version, new title, new section on ungauged models
Scientific paper
10.1140/epjcd/s2004-01-010-2
The formalism of graded Poisson-sigma models allows the construction of N=(2,2) dilaton supergravity in terms of a minimal number of fields. For the gauged chiral U(1) symmetry the full action, involving all fermionic contributions, is derived. The twisted chiral case follows by simple redefinition of fields. The equivalence of our approach to the standard second order one in terms of superfields is presented, although for the latter so far only the bosonic part of the action seems to have been available in the literature. It is shown how ungauged models can be obtained in a systematic way and some relations to relevant literature in superstring theory are discussed.
Bergamin Luzi
Kummer Wolfgang
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