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4 papers · 1 filter
Nonperturbative SUSY Correlators at Finite Temperature
J. Grundberg, J. Wirstam
We calculate finite temperature effects on a correlation function in the two dimensional supersymmetric nonlinear O(3) sigma model. The correlation function violates chiral symmetr…
Yang-Mills fields for Cosets
J. Grundberg, U. Lindstrom, M. Rocek
We consider theories with degenerate kinetic terms such as those that arise at strong coupling in super Yang-Mills theory. We compute the components of generalized su…
A Coherent State Path Integral for Anyons
J. Grundberg, T. H. Hansson
We derive an coherent state path integral formula for a system of two one-dimensional anyons in a harmonic potential. By a change of variables we transform this integral…
The QCD Trace Anomaly as a Vacuum Effect (The vacuum is a medium is the message!)
J. Grundberg, T. H. Hansson
We use arguments taken from the electrodynamics of media to deduce the QCD trace anomaly from the expression for the vacuum energy in the presence of an external color magnetic fie…