Extracting the Single-Particle Gap in Carbon Nanotubes with Lattice Quantum Monte CarloEvan Berkowitz, Christopher Körber, Stefan Krieg, Peter Labus, Timo A. Lähde and Thomas LuuEPJ Web Conf., 175 (2018) 03009DOI: https://doi.org/10.1051/epjconf/201817503009