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cond-mat.str-el2008★ 81 cited
Kondo proximity effect: How does a metal penetrate into a Mott insulator?
R. W. Helmes, T. A. Costi, A. Rosch
We consider a heterostructure of a metal and a paramagnetic Mott insulator using an adaptation of dynamical mean field theory to describe inhomogeneous systems. The metal can penet…
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…