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Solving coupled Dyson-Schwinger equations on a compact manifold |
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| Authors: | CS Fischer B Grüter |
| Institution: | a Institute for Particle Physics Phenomenology, University of Durham, Durham DH1 3LE, UK b Institut für Theoretische Physik, Universität Tübingen, Auf der Morgenstelle 14, 72076 Tübingen, Germany c Institute of Physics, Graz University, Universitätsplatz 5, A-8010 Graz, Austria |
| Abstract: | We present results for the gluon and ghost propagators in SU (N) Yang-Mills theory on a four-torus at zero and non-zero temperatures from a truncated set of Dyson-Schwinger equations. When compared to continuum solutions at zero temperature sizeable modifications due to the finite volume of the manifold, especially in the infrared, are found. Effects due to non-vanishing temperatures T, on the other hand, are minute for T < 250 MeV. |
| Keywords: | 11 10 Wx 12 38 Aw 14 70 Dj |
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