AUTHOR=Ekström A. , Forssén C. , Hagen G. , Jansen  G. R. , Jiang W. , Papenbrock T. 

TITLE=What is ab initio in nuclear theory?

JOURNAL=Frontiers in Physics

VOLUME=11

YEAR=2023

URL=https://www.frontiersin.org/journals/physics/articles/10.3389/fphy.2023.1129094

DOI=10.3389/fphy.2023.1129094

ISSN=2296-424X

ABSTRACT=<p><italic>Ab initio</italic> 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.</p>