Extraction of spectral functions from Dyson–Schwinger studies via the maximum entropy method

2006/07/20 by Dominik Nickel · 6 citations
Physics and Astronomy · #Euclidean geometry #High-Energy Particle Collisions Research #Lattice (music) #Massless particle #Mathematical physics #Maximum entropy method #Particle physics #Particle physics theoretical and experimental studies #Physics #Propagator #Quantum Chromodynamics and Particle Interactions #Quantum chromodynamics #Quark #Statistical physics #hep-lat #hep-ph #nucl-th

paper · pdf · doi:10.1016/j.aop.2006.09.002

published as AnnalsPhys.322:1949-1960,2007 · 16 pages, 7 figures

arxiv created 2006/07/20 · openalex publication_date 2007/07/05 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05

Abstract

It is shown how to apply the Maximum Entropy Method (MEM) to numerical Dyson-Schwinger studies for the extraction of spectral functions of correlators from their corresponding Euclidean propagators. Differences to the application in lattice QCD are emphasized and, as an example, the spectral functions of massless quarks in cold and dense matter are presented.

Citations

• A lattice calculation of thermal dilepton rates

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