The D1/D5 System And Singular CFT

Details The D1/D5 System And Singular CFT The D1/D5 System And Singular CFT

1999-03-25

arxiv.org/abs/hep-th/9903224v3

JHEP 9904:017,1999

Physics

High Energy Physics

High Energy Physics - Theory

39 pp, added reference

Scientific paper

10.1088/1126-6708/1999/04/017

We study the conformal field theory of the D1/D5 system compactified on X (X is T^4 or K3). It is described by a sigma model whose target space is the moduli space of instantons on X. For values of the parameters where the branes can separate, the spectrum of dimensions in the conformal field theory exhibits a continuum above a gap. This continuum leads to a pathology of the conformal field theory, which explains a variety of problems in various systems. In particular, we explain the apparent discrepancy between different methods of finding the spectrum of chiral fields at certain points in the moduli space of the system.

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