Wansbeek, L. W; Sahoo, B. K; Timmermans, R. G. E; Das, B. P; Mukherjee, D
(The American Physical Society, 2008-07)
We report on a technique to determine the van der Waals coefficients of lithium (Li) atoms based on relativistic coupled-cluster theory. These quantities are determined using the imaginary parts of the scalar dipole and ...