Tunnelling Effects in a Brane System and Quantum Hall Physics

Details Tunnelling Effects in a Brane System and Quantum Hall Physics Tunnelling Effects in a Brane System and Quantum Hall Physics

2001-01-05

arxiv.org/abs/hep-th/0101033v2

Mod.Phys.Lett. A17 (2002) 1281-1290

Physics

High Energy Physics

High Energy Physics - Theory

12 pages, no figures, Latex, some aspects clarified, sect.3 expanded, references added

Scientific paper

10.1142/S0217732302007764

We argue that a system of interacting D-branes, generalizing a recent proposal, can be modelled as a Quantum Hall fluid. We show that tachyon condensation in such a system is equivalent to one particle tunnelling. In a conformal field theory effective description, that induces a transition from a theory with central charge c=2 to a theory with c=3/2, with a corresponding symmetry enhancement.

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