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4 papers · 2 filters
Asymmetric spin-1/2 two-leg ladders
D. N. Aristov, C. Brünger, F. F. Assaad +4
We consider asymmetric spin-1/2 two-leg ladders with non-equal antiferromagnetic (AF) couplings J_|| and κJ_|| along legs (κ<= 1) and ferromagnetic rung coupling, J_\perp. This mod…
The density-matrix renormalization group in the age of matrix product states
Ulrich Schollwoeck
The density-matrix renormalization group method (DMRG) has established itself over the last decade as the leading method for the simulation of the statics and dynamics of one-dimen…
Non-equilibrium electronic transport in a one-dimensional Mott insulator
F. Heidrich-Meisner, I. Gonzalez, K. A. Al-Hassanieh +3
We calculate the non-equilibrium electronic transport properties of a one-dimensional interacting chain at half filling, coupled to non-interacting leads. The interacting chain is…
New theoretical approaches for correlated systems in nonequilibrium
M. Eckstein, A. Hackl, S. Kehrein +4
We review recent developments in the theory of interacting quantum many-particle systems that are not in equilibrium. We focus mainly on the nonequilibrium generalizations of the f…