Fits of finite-volume smeared spectral densities

TL;DR

This paper explores the use of finite-volume smeared spectral densities to improve numerical Laplace transform inversion, focusing on operator smearing and finite-volume spectrum analysis.

Contribution

It introduces applications of smeared spectral densities in finite-volume settings, enhancing spectral analysis techniques.

Findings

Improved methods for tuning operator smearing.

Enhanced understanding of finite-volume spectrum.

Potential for better spectral density reconstructions.

Abstract

Motivated by recent progress in the numerical inversion of the Laplace transform, we investigate applications of finite-volume smeared spectral densities. These include the tuning of operator smearing, and the study of the finite-volume spectrum.