Physics – Condensed Matter – Strongly Correlated Electrons
Scientific paper
2012-03-08
Physics
Condensed Matter
Strongly Correlated Electrons
5 pages RevTeX + 5 eps figures
Scientific paper
We consider charge and spin transport in the one-dimensional Hubbard model at infinite temperature, half-filling and zero magnetization. Implementing matrix-product-operator simulations of the non-equilibrium steady states of boundary-driven open Hubbard chains for up to 100 sites we find clear evidence of diffusive transport for any (non-zero and finite) value of the interaction U.
Prosen Tomaz
Znidaric Marko
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