Instantons, Three Dimensional Gauge Theories and Monopole Moduli Spaces
Christophe Fraser, David Tong
TL;DR
This paper computes instanton effects in 3D supersymmetric gauge theories, revealing new insights into monopole moduli spaces and their interactions, with implications for membrane scattering in matrix theory.
Contribution
It provides the first detailed instanton correction calculations for N=4 and N=8 supersymmetric SU(n) gauge theories, enhancing understanding of monopole moduli spaces and interactions.
Findings
New non-pairwise interaction terms for monopoles
Insights into the structure of monopole moduli spaces
Connections to membrane scattering in matrix theory
Abstract
We calculate instanton corrections to three dimensional gauge theories with N=4 and N=8 supersymmetry and SU(n) gauge groups. The N=4 results give new information about the moduli space of n BPS SU(2) monopoles, including the leading order non-pairwise interaction terms. A few comments are made on the relationship of the N=8 results to membrane scattering in matrix theory.
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