The new Los Alamos opacity code ATOMIC

In this work we report on developments of ATOMIC, a Los Alamos code designed to compute opacities under both LTE and non-LTE conditions for a large range of elements. We report here, for the first time, data associated with the newly generated Rosseland opacity table for oxygen. In addition, the various equation-of-state packages, absorption spectra generation packages, and parallel techniques used in the generation of this table will be discussed. (C) 2005 Elsevier Ltd. All rights reserved.