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Theory of Spin Torque in a nanomagnet
O. Parcollet, X. Waintal
We present a complete theory of the spin torque phenomena in a ultrasmall nanomagnet coupled to non-collinear ferromagnetic electrodes through tunnelling junctions. This model syst…
Electronic Structure Calculations with Dynamical Mean-Field Theory: A Spectral Density Functional Approach
G. Kotliar, S. Y. Savrasov, K. Haule +3
We present a review of the basic ideas and techniques of the spectral density functional theory which are currently used in electronic structure calculations of strongly-correlated…
Schwinger Boson approach to the fully screened Kondo model
J. Rech, P. Coleman, G. Zarand +1
We apply the Schwinger boson scheme to the fully screened Kondo model and generalize the method to include antiferromagnetic interactions between ions. Our approach captures the Ko…
Interaction-induced adiabatic cooling and antiferromagnetism of cold fermions in optical lattices
F. Werner, O. Parcollet, A. Georges +1
We propose an interaction-induced cooling mechanism for two-component cold fermions in an optical lattice. It is based on an increase of the ``spin'' entropy upon localisation, an…