Brane world from IIB matrices

Details Brane world from IIB matrices Brane world from IIB matrices

2000-07-04

arxiv.org/abs/hep-th/0007022v2

Phys.Rev.Lett. 85 (2000) 4664-4667

Physics

High Energy Physics

High Energy Physics - Theory

REVTeX, 4 pages, 2 figures, minor refinement in conclusions, 1 ref. added

Scientific paper

10.1103/PhysRevLett.85.4664

We have recently proposed a dynamical mechanism that may realize a flat four-dimensional space time as a brane in type IIB superstring theory. A crucial role is played by the phase of the chiral fermion integral associated with the IKKT Matrix Theory, which is conjectured to be a nonperturbative definition of type IIB superstring theory. We demonstrate our mechanism by studying a simplified model, in which we find that a lower-dimensional brane indeed appears dynamically. We also comment on some implications of our mechanism on model building of the brane world.

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