In this letter, we extend the known results for the QCD potential between a static quark and its antiquark by computing the two-loop corrections to the colour-octet state.
@article{arxiv.hep-ph/0412083,
title = {Two-Loop Static QCD Potential for General Colour State},
author = {B. A. Kniehl and A. A. Penin and Y. Schröder and V. A. Smirnov and M. Steinhauser},
journal= {arXiv preprint arXiv:hep-ph/0412083},
year = {2009}
}