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# Title: The OSp(32|1) versus OSp(8|2) supersymmetric M-brane action from self-dual (2,2) strings

Authors: Sergei V. Ketov (ITP, University of Hannover)
Abstract: Taking the (2,2) strings as a starting point, we discuss the equivalent integrable field theories and analyze their symmetry structure in 2+2 dimensions from the viewpoint of string/membrane unification. Requiring the Lorentz invariance and supersymmetry in the (2,2) string target space leads to an extension of the (2,2) string theory to a theory of 2+2 dimensional supermembranes (M-branes) propagating in a higher dimensional target space. The origin of the hidden target space dimensions of the M-brane is related to the maximally extended supersymmetry implied by the Lorentz covariance and dimensional reasons. The K"ahler-Chern-Simons-type action describing the self-dual gravity in 2+2 dimensions is proposed. Its maximal supersymmetric extension (of the Green-Schwarz-type) naturally leads to the 2+10 (or higher) dimensions for the M-brane target space. The proposed OSp(32|1) supersymmetric action gives the pre-geometrical description of M-branes, which may be useful for a fundamental formulation of F&M theory.
 Comments: 12 pages, LaTeX, misprints corrected, the final version to appear in the Modern Physics Letters A Subjects: High Energy Physics - Theory (hep-th) Journal reference: Mod.Phys.Lett. A11 (1996) 2369-2380 DOI: 10.1142/S0217732396002368 Report number: DESY 96--182, ITP--UH--18/96 Cite as: arXiv:hep-th/9609004 (or arXiv:hep-th/9609004v2 for this version)

## Submission history

From: Sergei Ketov [view email]
[v1] Sun, 1 Sep 1996 20:19:26 GMT (18kb)
[v2] Fri, 20 Sep 1996 10:59:56 GMT (18kb)

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