Instantons in non-Cartesian coordinates
classification
✦ hep-th
keywords
gaugecompensatingcoordinatesadditionaffectchangecurvilineardependent
read the original abstract
The explicit multi-instanton solutions by 'tHooft and Jackiw, Nohl & Rebbi are generalized to curvilinear coordinates. The idea is that a gauge transformation can notably simplify the expressions obtained after the change of variables. The gauge transform generates a compensating addition to the gauge potential of pseudoparticles. Singularities of the compensating field are irrelevant for physics but may affect gauge dependent quantities.
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