Density-matrix renormalization group methods for momentum- and frequency-resolved dynamical correlation functions
cond-mat.str-el
/ Authors
/ Abstract
Several density-matrix renormalization group methods have been proposed to compute the momentum- and frequency-resolved dynamical correlation functions of low-dimensional strongly correlated systems. The most relevant approaches are discussed in this contribution. Their applications in various studies of quasi-one-dimensional strongly correlated systems (spin chains, itinerant electron systems, electron-phonon systems) are reviewed.