Update on two-level sampling for glueball observables in quenched QCD

2025/01/29 by Barca, Lorenzo, Finkenrath, Jacob, Knechtli, Francesco +3 · 2 citations
#FOS: Physical sciences #High Energy Physics - Lattice (hep-lat)

paper · doi:10.48550/arxiv.2501.17988

Abstract

We report our progress in combining a two-level sampling algorithm with distillation techniques for calculations of disconnected diagrams in quenched QCD. The simulations are performed on a single ensemble at β=6.0 and volume V=16³× 64, and at a pion mass of m_π≈ 760~MeV.

Cited by

• Lattice evidence that scalar glueballs are small
• Mixing of heavy and light quarks in charmonium and light mesons

Related

• Investigating a two-level algorithm for fermionic observables
• Performance of two-level sampling for the glueball spectrum in pure gauge theory
• Exponential Error Reduction for Glueball Calculations Using a Two-Level Algorithm in Pure Gauge Theory
• Investigating some technical improvements to glueball calculations
• Quenched glueballs in the DSE/BSE framework