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Effective gravitational couplings of four-dimensional N=2 supersymmetric gauge theories.
by
DrXinyu Zhang
(Rutgers University)
→
Asia/Shanghai
408 (South Building)
408
South Building
Description
The low energy effective couplings of four-dimensional N = 2 supersymmetric gauge theory to topological invariants of the background gravitational field play an important role in the study of topology of four-manifolds, in the computation of central charges of N = 2 superconformal theories, and in the study of M5-branes in string theory. In this talk, I will review the historical developments and previous conjectures, and then I will show how to determine these effective gravitational couplings from a first-principle calculation. This talk is based on my joint work with Jan Manschot and Gregory Moore.
