Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1997-11-16
Nucl.Phys.B525:235-256,1998
Physics
High Energy Physics
High Energy Physics - Theory
24 pages, TEX
Scientific paper
10.1016/S0550-3213(98)00214-4
The partition function of type IIA and B strings on R^6xK3, in the T^4/Z_2 orbifold limit, is explicitly computed as a modular invariant sum over spin strutures required by perturbative unitarity in order to extend the analysis to include type II strings on R^6 x W4, where W4 is associated with the tube metric conformal field theory, given by the degrees of freedom transverse to the Neveu-Schwarz fivebrane solution. This generates partition functions and perturbative spectra of string theories in six space-time dimensions, associated with the modular invariants of the level k affine SU(2) Kac-Moody algebra. These theories provide a conformal field theory (i.e. perturbative) probe of non-perturbative (fivebrane) vacua. We contrast them with theories whose N=(4,4) sigma-model action contains n_H=k+2 hypermultiplets as well as vector supermultiplets, and where k is the level just mentioned. In Appendix B we also give a D=6, N=(1,1) `free fermion' string model which has a different moduli space of vacua from the 81 parameter space relevant to the above examples.
Dolan Louise
Langham M.
No associations
LandOfFree
Partition Functions, Duality, and the Tube Metric does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Partition Functions, Duality, and the Tube Metric, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Partition Functions, Duality, and the Tube Metric will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-494365