2 papers
cond-mat.str-el2020
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…
cond-mat.str-el2019
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…