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We have decided to discontinue the publication of preprints on our preprint server as of 1 March 2024. The publication culture within mathematics has changed so much due to the rise of repositories such as ArXiV (www.arxiv.org) that we are encouraging all institute members to make their preprints available there. An institute's repository in its previous form is, therefore, unnecessary. The preprints published to date will remain available here, but we will not add any new preprints here.

MiS Preprint
4/1998

On the self-dual geometry of N=2 strings

Chandrashekar Devchand and Olaf Lechtenfeld

Abstract

We discuss the precise relation of the open N=2 string to a self-dual Yang-Mills (SDYM) system in 2+2 dimensions. In particular, we review the description of the string target space action in terms of SDYM in a "picture hyperspace" parametrised by the standard vectorial R2,2 coordinate together with a commuting spinor of SO(2,2). The component form contains an infinite tower of prepotentials coupled to the one representing the SDYM degree of freedom. The truncation to five fields yields a novel one-loop exact lagrangean field theory.

Received:
06.02.98
Published:
06.02.98

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Preprint
1998 Repository Open Access
Olaf Lechtenfeld and Chandrashekar Devchand

On the self-dual geometry of N=2 strings