64 citations · 175 across the 4 of their papers we have counts for
4 papers
Cerium Oxides without : The Role of Many-Electron Correlation
Tobias Schäfer, Nathan Daelman, Núria López
Electron transfer with changing occupation in the 4f subshell poses a considerable challenge for quantitative predictions in quantum chemistry. Using the example of cerium oxide, w…
Quartic scaling MP2 for solids: A highly parallelized algorithm in the plane wave basis
Tobias Schäfer, Benjamin Ramberger, Georg Kresse
We present a low-complexity algorithm to calculate the correlation energy of periodic systems in second-order Møller-Plesset perturbation theory (MP2). In contrast to previous appr…
Analytic Interatomic Forces in the Random Phase Approximation
Benjamin Ramberger, Tobias Schäfer, Georg Kresse
We discuss that in the random phase approximation (RPA) the first derivative of the energy with respect to the Green's function is the self-energy in the GW approximation. This rel…
Relevance of instantons in Burgers turbulence
Tobias Grafke, Rainer Grauer, Tobias Schäfer +1
Instanton calculations are performed in the context of stationary Burgers turbulence to estimate the tails of the probability density function (PDF) of velocity gradients. These re…