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Many-body approach to the nonlinear interaction of charged particles with an interacting free electron gas
T. del Rio Gaztelurrutia, J. M. Pitarke
We report various many-body theoretical approaches to the nonlinear decay rate and energy loss of charged particles moving in an interacting free electron gas. These include pertur…
Lifetime of d-holes at Cu surfaces: Theory and experiment
A. Gerlach, K. Berge, A. Goldmann +4
We have investigated the hole dynamics at copper surfaces by high-resolution angle-resolved photoemission experiments and many-body quasiparticle GW calculations. Large deviations…
Optical absorption and energy-loss spectra of aligned carbon nanotubes
F. J. Garcia-Vidal, J. M. Pitarke
Optical-absorption cross-sections and energy-loss spectra of aligned multishell carbon nanotubes are investigated, on the basis of photonic band-structure calculations. A local gra…
Energy loss of charged particles interacting with simple metal surfaces
A. Garcia-Lekue, J. M. Pitarke
Self-consistent calculations of the energy-loss spectra of charged particles moving near a plane-bounded free electron gas are reported. Energy-loss probabilities are obtained, wit…
An inhomogeneous and anisotropic Jastrow function for non-uniform many-electron systems
A. Garcia-Lekue, M. Nekovee, J. M. Pitarke +1
Quantum Monte Carlo simulations of interacting electrons in solids often use Slater-Jastrow trial wave functions. The Jastrow function takes into account correlations between pairs…
Dynamic structure factor of gold
I. G. Gurtubay, J. M. Pitarke, I. Campillo +1
We have investigated the role of localized {\it d} bands in the dynamical response of Au, on the basis of {\it ab initio} pseudopotential calculations. The density-response functio…