Abstract
The standard coupled-cluster method is simplified by introduction of a Bogoljubov transformation. This is particularly beneficial in the case of future extensions to take account of pairing correlations. Here we apply the method to the electron-fluid model (jellium) in order to exhibit the formalism, to compare with accurate Monte Carlo data, and to verify the various approximations involved. The numerical results show better agreement with the accurate Monte Carlo data than any previous numerical calculation.
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