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cond-mat.str-el2007★ 120 cited
Mott transition of fermionic atoms in a three-dimensional optical trap
R. W. Helmes, T. A. Costi, A. Rosch
We study theoretically the Mott metal-insulator transition for a system of fermionic atoms confined in a three-dimensional optical lattice and a harmonic trap. We describe an inhom…
cond-mat.str-el2007★ 1.5k cited
The numerical renormalization group method for quantum impurity systems
Ralf Bulla, Theo Costi, Thomas Pruschke
In the beginning of the 1970's, Wilson developed the concept of a fully non-perturbative renormalization group transformation. Applied to the Kondo problem, this numerical renormal…