We describe the implementation of the two-loop Higgs-mass corrections of O(αt2) in the complex MSSM in FeynHiggs. The program for the calculation is included in FeynHiggs and documented here in some detail such that it can be re-used as a template for similar calculations.
@article{arxiv.1508.00562,
title = {Implementation of the $\mathcal{O}{\left(\alpha_t^2\right)}$ MSSM Higgs-mass corrections in $\tt{FeynHiggs}$},
author = {Thomas Hahn and Sebastian Paßehr},
journal= {arXiv preprint arXiv:1508.00562},
year = {2017}
}