Journal article 842 views
Calculating the prepotential by localization on the moduli space of instantons
Journal of High Energy Physics, Volume: "03", Issue: 03, Pages: 038 - 038
Swansea University Author:
Timothy Hollowood
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DOI (Published version): 10.1088/1126-6708/2002/03/038
Abstract
We describe a new technique for calculating instanton effects in supersymmetric gauge theories applicable on the Higgs or Coulomb branches. In these situations the instantons are constrained and a potential is generated on the instanton moduli space. Due to existence of a nilpotent fermionic symmetr...
| Published in: | Journal of High Energy Physics |
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| ISSN: | 1029-8479 |
| Published: |
2002
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| Online Access: |
Check full text
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| URI: | https://cronfa.swan.ac.uk/Record/cronfa28544 |
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| Abstract: |
We describe a new technique for calculating instanton effects in supersymmetric gauge theories applicable on the Higgs or Coulomb branches. In these situations the instantons are constrained and a potential is generated on the instanton moduli space. Due to existence of a nilpotent fermionic symmetry the resulting integral over the instanton moduli space localizes on the critical points of the potential. Using this technology we calculate the one- and two-instanton contributions to the prepotential of SU(N) gauge theory with N=2 supersymmetry and show how the localization approach yields the prediction extracted from the Seiberg-Witten curve. The technique appears to extend to arbitrary instanton number in a tractable |
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| College: |
Faculty of Science and Engineering |
| Issue: |
03 |
| Start Page: |
038 |
| End Page: |
038 |