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(Lattice) Propagators and Extraction of Spectral Densities

Authors: D. Dudal, O. Oliveira, P. J. Silva

Ref.: PoS Confinement X, 033 (2013)

Abstract: In this proceeding, we explain a few steps for an alternative extraction of the spectral density of a two-point function (propagator) based on a discrete set of data points. We present a so-called Tikhonov regularization of this particular inverse problem. We test it on 2 cases: lattice 0++} glueball data and mock gluon data. Proceedings of Xth Quark Confinement and the Hadron Spectrum, October 8-12, 2012, TUM Campus Garching, Munich, Germany

URL: pos.sissa.it