Coordinate-Free Action for AdS3 Higher-Spin-Matter Systems

Abstract

A coordinate-free action principle for the N=2 supersymmetric model of spin 0 and spin 1/2 matter fields interacting via Chern-Simons higher spin gauge fields in AdS3 is formulated in terms of star-product algebra of two oscillators. Although describing proper relativistic dynamics the action does not contain space-time coordinates. It is given by a supertrace of a forth-order polynomial in the 3d higher spin superalgebra. The theory admits a free parameter characterizing the inequivalent vacua associated with the parameter of mass m of the matter fields. For the case of the massless matter, the model has a form of the noncommutative 2d Yang-Mills theory with some infinite-dimensional gauge group. The limit m\to\infty corresponds to the SU(\infty) 2d Yang-Mills theory.

LaTeX, 14 pages, no figures; revised version to be published in Phys.Lett.B

References in corpus (2)

• Matrix String Theory
• Higher-Spin Gauge Interactions for Massive Matter Fields in 3D AdS Space-Time

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