2 papers
hep-lat2026
Spectral densities from Euclidean correlators via integral transforms: theoretical framework
Leonardo Giusti, Matteo Saccardi, Diego Toniolo
Spectral densities link experimental measurements to dynamical properties of a quantum field theory which, in turn, can be resolved non-perturbatively from the Euclidean time-depen…
hep-lat2025
Spectral densities from Euclidean-time lattice correlation functions
Matteo Saccardi, Mattia Bruno, Leonardo Giusti
In quantum field theories, spectral densities are directly related to relevant physical observables. In Lattice QCD, their non-perturbative extraction from first principles require…