What is ab initio in nuclear theory?

Ab initio has been used as a label in nuclear theory for over two decades. Its meaning has evolved and broadened over the years. We present our interpretation, briefly review its historical use, and discuss its present-day relation to theoretical uncertainty quantification.

Automated summary

Ab initio has been used in nuclear theory for over two decades and its meaning has evolved over time. This article provides an interpretation, a historical review, and a discussion on its present-day relation to theoretical uncertainty quantification.