2 papers
cond-mat.quant-gas2020
Improved walker population control for full configuration interaction quantum Monte Carlo
Mingrui Yang, Elke Pahl, Joachim Brand
Full configuration interaction quantum Monte Carlo (FCIQMC) is a stochastic approach for finding the ground state of a quantum many-body Hamiltonian. It is based on the dynamical e…
cond-mat.mtrl-sci2005
Frozen local hole approximation
Elke Pahl, Uwe Birkenheuer
The frozen local hole approximation (FLHA) is an adiabatic approximation which is aimed to simplify the correlation calculations of valence and conduction bands of solids and polym…