We test the accuracy of the dynamical mean field theory (DMF) developed recently for the collective and tracer diffusion coefficients Dand D, respectively, by Monte Carlo simulations of two very strongly interacting model systems. The deviation of the DMF results from the true hydrodynamic diffusion...
We apply the dynamical mean field theory (DMFT) approximation to the real, scalar 蠁quantum field theory. By comparing to lattice Monte Carlo calculations, perturbation theory and standard mean field theory, we test the quality of the approximation in two, three, four and five dimensions. The ...
Dynamical Mean Field Theory (DMFT) is a successful method to compute the electronic structure of strongly correlated materials, especially when it is combined with density functional theory (DFT). Here, we present an open-source computational package (and a library) combining DMFT with various DFT...
Physical Review B Condensed MatterJ.K. Freericks, Dynamical mean field theory for strongly correlated inhomogeneous multilayered nanostructures. Phys. Rev. B 70 , 195342–195414 (2004) ADSJ. K. Freericks. Dynamical mean-field theory for strongly correlated inhomogeneous multilayered nanostructures. ...
theory in the local density approximation and dynamical mean field theory, using exact diagonalization as impurity solver. Theory is found to accurately reproduce measured data and illustrates the importance of correlation effects. Our results demonstrate that the manganese states extend over a broad ...
turbation theory is the Mott-Hubbard metal-insulator transition. 1 In this respect, dynamical mean field the- ory (DMFT) 2,3 was a big step forward to a more thor- ough understanding of this transition. DMFT becomes exact in the limit of high spatial dimensions (d →∞) and already ...
www.nature.com/scientificreports OPEN Selective orbital reconstruction in tetragonal FeS: A density functional dynamical mean-field theory study received: 17 June 2015 accepted: 17 March 2017 Published: 18 April 2017 Luis Craco1 & Stefano Leoni2 Transport properties of tetragonal iron monosulfide,...
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Dynamical Mean Field Theory of Double Perovskite Ferrimagnets K. Phillips 1 , A. Chattopadhyay 2 , A. J. Millis 3 1 Department of Physics and Astronomy, Rutgers University 136 Frelinghuysen Rd, Picataway, NJ 08854 2 IBM Almaden Research Center 650 Harry Road, San Jose, CA 3 Department of...
2) Mean-field approximation 平均场近似 1. By using the mean-field approximation method,the critical behavior of the mixed-spin XXZ model with DM interaction on the cubic lattice is studied. 利用平均场近似的方法,研究了立方晶格上具有DM相互作用的混合XXZ模型的相变和临界性质。 2. Finally,we ...