Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1999-03-02
Nucl.Phys.B554:437-483,1999
Physics
High Energy Physics
High Energy Physics - Theory
56 pages, Latex
Scientific paper
10.1016/S0550-3213(99)00294-1
A systematic program is developed for analyzing and cancelling local anomalies on networks of intersecting orbifold planes in the context of M-theory. Through a delicate balance of factors, it is discovered that local anomaly matching on the lower-dimensional intersection of two orbifold planes may require twisted matter on those planes which do not conventionally support an anomaly (such as odd-dimensional planes). In this way, gravitational anomalies can, in principle, tell us about (twisted) gauge groups on subspaces which are not necessarily ten-, six- or two-dimensional. An example is worked out for the case of an $S^1/{\bf Z}_2\times T^4/{\bf Z}_2$ orbifold and possible implications for four-dimensional physics are speculated on.
Faux Michael
Luest Dieter
Ovrut Burt A.
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