Systematic reduction of sign errors in many-body calculations of atoms and molecules

Michal Bajdich, Murilo L. Tiago, Randolph Q. Hood +2

The self-healing diffusion Monte Carlo algorithm (SHDMC) [Phys. Rev. B {\bf 79}, 195117 (2009), {\it ibid.} {\bf 80}, 125110 (2009)] is shown to be an accurate and robust method fo…