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cond-mat.mtrl-sci2004
Image states in metal clusters
Patrick Rinke, Kris Delaney, P. Garcia-Gonzalez +1
The existence of image states in small clusters is shown, using a quantum-mechanical many-body approach. We present image state energies and wave functions for spherical jellium cl…
cond-mat.mtrl-sci2001
Many-body GW Calculations of Ground-State Properties: Quasi-2D Electron Systems and van der Waals Forces
P. Garcia-Gonzalez, R. W. Godby
We present GW many-body results for ground-state properties of two simple but very distinct families of inhomogenous systems in which traditional implementations of density-functio…
cond-mat.mtrl-sci2001
Diagrammatic self-energy approximations and the total particle number
Arno Schindlmayr, P. Garcia-Gonzalez, R. W. Godby
There is increasing interest in many-body perturbation theory as a practical tool for the calculation of ground-state properties. As a consequence, unambiguous sum rules such as th…