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Aspects of gluon propagation in Landau gauge: spectral densities, and mass scales at finite temperature
Authors: Paulo J. Silva, O. Oliveira, D. Dudal, P. Bicudo, N. Cardoso
Ref.: Acta Physica Polonica B Proceedings Supplement 8, 119-124 (2015)
Abstract: We discuss a method to extract the Kallen-Lehmann spectral density of a particle (be it elementary or bound state) propagator and apply it to compute gluon spectral densities from lattice data. Furthermore, we also consider the interpretation of the Landau-gauge gluon propagator at finite temperature as a massive-type bosonic propagator.
