Abstract
Calculating properties of correlated systems out of equilibrium is a challenging task, even if one targets only stationary situations. In particular, transport through nano-objects like molecules or quantum dots is of strong interest, and a theory to calculate transport properties or merely local quantities in a reliable way for reasonably strong correlations very desirable.
Based on a suggestion by Han and Heary [1] we show that one can use advanced quantum Monte-Carlo techniques to calculate quantities with high accuracy [2]. Although the ultimate goal will be to extract current or conductance respectively thermoelectric effects, a first step is to calculate local properties, like the double occupancy or magnetization, as function of external bias.
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The authors want to acknowledge useful discussions with J. Freericks, A. Schiller and M. Jarrell.
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Dirks, A., Pruschke, T., Han, J.E. (2013). Monte-Carlo Approach to Stationary Non-equilibrium of Mesoscopic Systems. In: Zlatic, V., Hewson, A. (eds) New Materials for Thermoelectric Applications: Theory and Experiment. NATO Science for Peace and Security Series B: Physics and Biophysics. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-4984-9_12
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DOI: https://doi.org/10.1007/978-94-007-4984-9_12
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