Response to `Comments on the U(2) ADHM two-instanton'
We respond to `Comments on the U(2) ADHM two-instanton' [Y. Tian, Phys. Lett. B 566 (2003) 183].
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arXiv subjects
N. B. Pomeroy
Publications and source records attributed to N. B. Pomeroy.
The U(N) ADHM Two-Instanton
The ADHM constraints which implicitly specify instanton gauge field configurations are solved for the explicit general form of instantons with topological charge two and gauge group U(N).
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Matching Exact Results and One-Instanton Predictions in N=2 Supersymmetric SU(N) Theories
A one-instanton level test is performed for the proposed reparameterisation scheme matching the conjectured exact low energy results and instanton predictions for N=2 supersymmetric SU(N) gauge theories with 2N massless fundamental matter hypermultiplets across the entire quantum moduli space. The constants within the scheme which ensure agreement between the exact results and the instanton predictions for general N are derived. This constitutes a non-trivial test of the scheme, which eliminates the discrepancies arising when the two sets of results are compared.
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