Nambu-Goto Strings from SU(N) Born-Infeld model

Details Nambu-Goto Strings from SU(N) Born-Infeld model Nambu-Goto Strings from SU(N) Born-Infeld model

2002-01-04

arxiv.org/abs/hep-th/0201018v3

Class.Quant.Grav.19:L135-3570,2002

Physics

High Energy Physics

High Energy Physics - Theory

11pages, no figures, LateX2e; added discussion

Scientific paper

10.1088/0264-9381/19/14/103

The spectrum of quenched Yang-Mills theory in the large-N limit displays strings and higher dimensional extended objects. The effective dynamics of string-like excitations is encoded into area preserving Schild action. In this letter, we bridge the gap between SU(N) gauge models and fully reparametrization invariant Nambu-Goto string models by introducing an extra matrix degree of freedom in the Yang-Mills action. In the large-N limit this matrix variable becomes the world-sheet auxiliary field allowing a smooth transition between the Schild and Nambu-Goto strings. The new improved matrix model we propose here can be extended to p-branes provided we enlarge the dimensionality of the target spacetime.

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