43 citations · 43 across the 2 of their papers we have counts for
6 papers
Löwdin's symmetry dilemma within Green functions theory for the one-dimensional Hubbard model
J. -P. Joost, N. Schlünzen, S. Hese +4
The energy gap of correlated Hubbard clusters is well studied for one-dimensional systems using analytical methods and density-matrix-renormalization-group (DMRG) simulations. Beyo…
The G1--G2 Scheme: Dramatic Acceleration of Nonequilibrium Green Functions Simulations Within the Hartree--Fock-GKBA
J. -P. Joost, N. Schlünzen, M. Bonitz
The time evolution in quantum many-body systems after external excitations is attracting high interest in many fields. The theoretical modeling of these processes is challenging, a…
Correlated Topological States in Graphene Nanoribbon Heterostructures
Jan-Philip Joost, Antti-Pekka Jauho, Michael Bonitz
Finite graphene nanoribbon (GNR) heterostructures host intriguing topological in-gap states (Rizzo, D. J. et al.~\textit{Nature} \textbf{2018}, \textit{560}, 204]). These states ma…
Achieving the Ultimate Scaling Limit for Nonequilibrium Green Functions Simulations
Niclas Schluenzen, Jan-Philip Joost, Michael Bonitz
The dynamics of strongly correlated fermions following an external excitation reveals extremely rich collective quantum effects. Examples are fermionic atoms in optical lattices, e…
Ion Impact Induced Ultrafast Electron Dynamics in Correlated Materials and Finite Graphene Clusters
M. Bonitz, K. Balzer, N. Schlünzen +2
Strongly correlated systems of fermions have an interesting phase diagram arising from the Hubbard gap. Excitation across the gap leads to the formation of doubly occupied lattice…
Wakefields in streaming plasmas: Characteristics of the induced charge density distribution
Zh. A. Moldabekov, P. Ludwig, J. -P. Joost +2
Motivated by experiments on the generation of streaming plasmas in high energy density facilities, industrial setups, and fundamental dusty plasma research the plasma polarization…