Opportunities, Challenges, and Fantasies in Lattice QCD

TL;DR

This paper discusses the potential and difficulties in advancing lattice QCD research, highlighting specific problems that can be solved with current methods, those that may become accessible, and others needing new ideas.

Contribution

It categorizes key challenges in lattice QCD into solvable, potentially accessible, and requiring new approaches, guiding future research directions.

Findings

Identification of problems solvable with current techniques.

Recognition of challenges that may become accessible with effort.

Highlighting the need for new ideas for difficult problems.

Abstract

Some important problems in quantitative QCD will certainly yield to hard work and adequate investment of resources, others appear difficult but may be accessible, and still others will require essentially new ideas. Here I identify several examples in each class.