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Noncommutative Geometry From Strings and Branes

F. Ardalan, H. Arfaei, M. M. Sheikh-Jabbari

hep-tharXiv:hep-th/9810072

Abstract

Noncommutative torus compactification of Matrix model is shown to be a direct consequence of quantization of the open strings attached to a D-membrane with a non-vanishing background B field. We calculate the BPS spectrum of such a brane system using both string theory results and DBI action. The DBI action leads to a new transformation property of the compactification radii under the SL(2,Z)N transformations.

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