Higher-Dimensional Quantum Hall Effect in String Theory

Details Higher-Dimensional Quantum Hall Effect in String Theory Higher-Dimensional Quantum Hall Effect in String Theory

2002-01-04

arxiv.org/abs/hep-th/0201016v3

JHEP 0205 (2002) 037

Physics

High Energy Physics

High Energy Physics - Theory

13 pages, 2 figures, references added

Scientific paper

10.1088/1126-6708/2002/05/037

We construct a string theory realization of the 4+1d quantum Hall effect recently discovered by Zhang and Hu. The string theory picture contains coincident D4-branes forming an S^4 and having D0-branes (i.e. instantons) in their world-volume. The charged particles are modelled as string ends. Their configuration space approaches in the large n limit a CP^3, which is an S^2 fibration over S^4, the extra S^2 being made out of the Chan-Paton degrees of freedom. An alternative matrix theory description involves the fuzzy four-sphere. We also find that there is a hierarchy of quantum Hall effects in odd-dimensional spacetimes, generalizing the known cases in 2+1d and 4+1d.

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