Sparse modeling approach to obtaining the shear viscosity from smeared correlation functions

DOI10.1007/JHEP07(2020)007zbMath1451.81332arXiv2004.02426MaRDI QIDQ2215315

Etsuko Itou, Yuki Nagai

Publication date: 11 December 2020

Published in: Journal of High Energy Physics (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/2004.02426

zbMATH Keywords

lattice QCDquark-gluon plasma

Mathematics Subject Classification ID

Ridge regression; shrinkage estimators (Lasso) (62J07) Inference from stochastic processes and spectral analysis (62M15) Applications of statistics to physics (62P35) Strong interaction, including quantum chromodynamics (81V05) Quantum field theory on lattices (81T25)

Uses Software

• irbasis

Cites Work

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• Perturbative analysis of the gradient flow in non-Abelian gauge theories
• Effect of curvature squared corrections in AdS on the viscosity of the dual gauge theory
• Transport coefficients from the lattice?
• Temperature dependence of shear viscosity of SU(3)-gluodynamics within lattice simulation
• Properties and uses of the Wilson flow in lattice QCD
• irbasis: open-source database and software for intermediate-representation basis functions of imaginary-time Green's function
• Robust uncertainty principles: exact signal reconstruction from highly incomplete frequency information
• Heavy Quark Diffusion in AdS/CFT
• Energy–momentum tensor from the Yang–Mills gradient flow
• Stable signal recovery from incomplete and inaccurate measurements
• Compressed sensing
• Numerical analytic continuation of Euclidean data

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