Introduction to Lattice QCD
Rajan Gupta
TL;DR
This paper provides a comprehensive pedagogical overview of Lattice QCD, covering theoretical foundations, computational techniques, and key physical results related to hadron spectra and fundamental constants.
Contribution
It offers an accessible introduction to Lattice QCD, detailing discretization methods, error analysis, and recent physical insights, serving as a foundational resource for newcomers.
Findings
Analysis of hadron spectrum and glueball masses
Determination of the strong coupling constant
Estimation of quark masses
Abstract
These notes aim to provide a pedagogical introduction to Lattice QCD. The topics covered include the scope of LQCD calculations, lattice discretization of gauge and fermion (naive, Wilson, and staggered) actions, doubling problem, improved gauge and Dirac actions, confinement and strong coupling expansions, phase transitions in the lattice theory, lattice operators, a general discussion of statistical and systematic errors in simulations of LQCD, the analyses of the hadron spectrum, glueball masses, the strong coupling constant, and the quark masses.
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Taxonomy
TopicsQuantum Chromodynamics and Particle Interactions · Particle physics theoretical and experimental studies · High-Energy Particle Collisions Research