Theoretical Division Los Alamos National Laboratory, Los Alamos, New Mexico, United States of America.|Defense Systems Analysis Division Los Alamos National Laboratory, Los Alamos, New Mexico, United States of America.|High Performance Computing Division Los Alamos National Laboratory, Los Alamos, New Mexico, United States of America.|Defense Systems Analysis Division Los Alamos National Laboratory, Los Alamos, New Mexico, United States of America.|Department of Mathematics, Tulane University, New Orleans, Louisiana, United States of America.|Defense Systems Analysis Division Los Alamos National Laboratory, Los Alamos, New Mexico, United States of America.|Defense Systems Analysis Division Los Alamos National Laboratory, Los Alamos, New Mexico, United States of America.